Kidney Function & GFR
Kidney Function & GFR
Decision Helper
Which Kidney Test Do I Need?
Answer a few questions to reach the right rung: creatinine + eGFR, cystatin C / combined, measured GFR, or urgent assessment.
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CKD-EPI 2021
eGFR Calculator (race-free)
GFR from creatinine via the 2021 race-free CKD-EPI equation; KDIGO G-stage.
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Cr–Cystatin C
eGFR — CKD-EPI 2021 Cr–CysC
More precise eGFR combining creatinine and cystatin C.
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24-h Urine
Measured Creatinine Clearance
CrCl from a 24-hour urine collection, with BSA correction.
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Transplant
Allograft eGFR Trend & Time to Failure
Transplant eGFR trajectory and projected graft survival.
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EKFC · Cr / CysC / Combined
EKFC vs CKD-EPI eGFR
EKFC creatinine, cystatin C, and combined eGFR side by side with CKD-EPI 2021; KDIGO G-category reclassification and de-indexed GFR.
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Pharmacology & Dosing
Pharmacology & Dosing
Patients & Clinicians
Drug Interaction Checker
Nephrology-focused drug-drug interaction screen — RAAS agents, diuretics, NSAIDs, immunosuppressants, and herbal/OTC products.
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Drug Dosing
Creatinine Clearance — Cockcroft-Gault
CrCl for renal drug dosing with ideal/adjusted weight.
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Glucocorticoid
Corticosteroid Conversion
Convert between systemic glucocorticoids by anti-inflammatory equivalence.
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IV Therapy · Nursing
IV Drip Rate Calculator
Flow rate, drops/min, infusion duration, and weight-based drug infusion (mL/hr).
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ASHP/IDSA 2020
Vancomycin AUC/MIC Dosing
AUC-guided dosing (target 400–600), nephrotoxicity risk, and trough interpretation.
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Hartford · Extended-Interval
Aminoglycoside Dose & Interval
Gentamicin, tobramycin & amikacin dosing by CrCl, extended-interval or conventional.
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ADA 2023 · eGFR
Metformin Safety Checker in CKD
eGFR-based hold / continue / discontinue, dose cap, and contrast/sick-day holds.
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CKD · HF · T2DM
SGLT2i Eligibility & Dose Check
Dapagliflozin/empagliflozin eGFR + indication eligibility, dose, and safety counseling.
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DOAC · CrCl
DOAC Dosing in CKD
Apixaban/rivaroxaban/dabigatran/edoxaban dose by Cockcroft-Gault CrCl + indication (FDA labels).
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Antibiotics · CrCl
Renal Antibiotic Dosing
CrCl-banded dose adjustment for 12+ common antibiotics (Sanford/label-verified) with avoid flags.
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ACR 2020 · CrCl
Renal Dosing: Nerve Pain & Gout Medicines
Gabapentin/pregabalin/allopurinol/tramadol/colchicine dosing by CrCl, with a colchicine interaction flag.
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Med Safety · CKD
Renal Medication Safety Index
46-drug CKD safety check across dosing, dialyzability, nephrotoxicity, hyperkalemia risk, SADMANS sick-day holds & monitoring — with Filipino brand names.
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CKD Risk & Progression
CKD Risk & Progression
Tangri KFRE
Kidney Failure Risk Equation
2- and 5-year kidney-failure risk from age, sex, eGFR, uACR.
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Trajectory
eGFR Slope & Time to Failure
Rate of eGFR decline and projected time to kidney failure.
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Albuminuria
Proteinuria & UACR/PCR Staging
KDIGO A1–A3 albuminuria categories and prognostic risk.
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Mehran
Contrast-Associated AKI Risk
Mehran score and maximum safe contrast volume.
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Diabetes
Diabetic Kidney Disease Risk
SGLT2i eligibility, eAG, and UACR-based risk.
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Barbour · IgAN
International IgAN Prediction Tool
Risk of 50% eGFR decline or kidney failure in IgA nephropathy.
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UPCR
Urine Protein Excretion (UPCR)
Estimate 24-h protein excretion from a urine protein:creatinine ratio.
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ANCA · GN Prognosis
ANCA Renal Risk Score
Biopsy-based ESKD risk in ANCA glomerulonephritis (Brix 2018): normal glomeruli, IF/TA, eGFR.
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Anti-GBM · GN Prognosis
Anti-GBM Kidney Outcome Risk
36-month kidney survival by dialysis and normal glomeruli (Floyd 2023), Renal Risk Score, and the KDIGO 11.2.1 exception check.
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Dialysis
Dialysis Adequacy & Fluid
New · QAPI / Operations
Dialysis Unit QAPI Scorecard & CQI Tracker
Enter the month's numbers; get a color-coded QAPI scorecard, a Unit QAPI Index, special-cause flags, and an auto-drafted PDSA charter for every red metric — printable for your CQI minutes.
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New · QAPI / Operations
Run Chart & SPC Control-Chart Generator
Paste a metric's monthly values → a run chart or SPC I-chart with automatic special-cause detection (shift, trend, runs, beyond-limit). Act on signal, not noise.
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New · QAPI / Operations
PDSA, RCA & FMEA Worksheets
A PDSA charter and cycle tracker, an RCA (5-Whys + fishbone) worksheet with corrective-action strength ranking, and an FMEA/RPN calculator — printable for your CQI minutes.
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New · QAPI / Operations
Monthly CQI Meeting Walkthrough & Minutes Generator
A guided six-step run through the PSN-mandated monthly meeting — safety huddle to actions-with-owner-and-date — that outputs printable, filed minutes.
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New · QAPI / Operations
SMR & Hospitalization Rate Calculator
Standardized Mortality Ratio and hospitalization/admission rate from observed and expected counts, with exact 95% confidence intervals — the outcomes-domain layer for Section 6.7.
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Daugirdas
Dialysis Adequacy — spKt/V & URR
Single-pool Kt/V, URR, and ultrafiltration rate.
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Prescription
Dialysis Prescription Calculators
RKF, spKt/V, UF rate, nPCR, and weekly PD Kt/V.
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Fluid
Interdialytic Weight Gain & Fluid
Weight gain, fluid allowance, and UF-rate estimate.
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UFR · Flythe
Ultrafiltration Rate (UFR) — Max Safe UF
UFR (mL/kg/h), risk band, and max safe UF volume at the ≤10 target and ≤13 ceiling.
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New · Patient-specific
UFR Ceiling — Patient-Specific Limit
Mean UFR vs 13 (or 10 in cardiac fragility) mL/kg/hr threshold + minimum session time to stay under it.
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New · Na · Profiling
Dialysate Sodium Balance — TAD-Na & Salt Loading
Time-averaged dialysate Na vs pre-HD plasma Na with net-zero diffusive Na flag — for sodium-ramping prescriptions.
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TMP · FF
Dialysis Kinetics — TMP & Filtration Fraction
Transmembrane pressure from the four dialyzer pressures, and filtration fraction for post-/pre-dilution HDF.
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ISPD 2020 · PD
PD Adequacy — Weekly Kt/V & CrCl
Total weekly Kt/V (≥1.7) and creatinine clearance (≥45 L/1.73m²), peritoneal + residual renal.
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BIS · Clinical
Dry Weight & Target Weight Estimator
Estimate target weight and fluid to remove by bioimpedance (OH) or clinical method, with UF-rate check.
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PD · Glucose Load
PD Glucose Absorption & Caloric Load
Dextrose absorbed and kcal/day from PD fluid — relevant to diabetes, weight, and lipids.
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Combined · Daugirdas
HD Adequacy + nPCR (Kt/V · URR · nPCR)
spKt/V, URR, nPCR and UF rate from one pre/post-dialysis urea draw.
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Apheresis · TPE
Plasma Volume & TPE Exchange Volume
Estimated plasma volume and 1–1.5 PV exchange volume with % macromolecule removal — for plasmapheresis.
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New · Water Treatment · Facility
Water Treatment Capacity & RO Sizing
Peak water demand from station count and modality mix, design margin, temperature derating, and a headroom verdict against your RO's rated capacity.
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New · Water Treatment · Facility
Carbon Tank Empty Bed Contact Time
Media volume, tank count, and design flow to Empty Bed Contact Time, checked against the ≥6-minute chloramine-breakthrough threshold.
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New · Water Treatment · Facility
Water Softener Sizing & Regeneration
Source hardness, daily volume, and resin capacity to days-between-regenerations, with a duplex-softener recommendation when the interval is impractical.
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New · Water Treatment · Facility
RO Recovery & Dual-Pass Reject Volume
Feed flow and pass recovery percentages to permeate/reject volumes and combined overall recovery for single- or dual-pass RO.
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WTS · Troubleshoot · Algorithm
Low Product-Water Flow (WTS §9.4.2)
Step-by-step troubleshooting algorithm for low RO/dialysis product-water flow — pretreatment, membrane fouling, and pressure checks.
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WTS · Self-Assessment · Quiz
WTS Self-Assessment Quiz
20-question multiple-choice self-assessment for dialysis water-treatment systems — chlorine/chloramine, RO capacity, HDF ultrapure water, isolation bays, and troubleshooting. Instant scoring for nurses & technicians.
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Kidney Transplant
Kidney Transplant
KDPI · KDRI
KDPI & KDRI — Donor Quality
Kidney Donor Risk Index → KDPI percentile (Rao/OPTN); deceased-donor quality for allocation & consent.
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EPTS · Allocation
EPTS — Post-Transplant Survival
Estimated Post-Transplant Survival; EPTS ≤20% earns longevity-matched (KDPI ≤20%) offers.
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Living Donor · ESRD
Living-Donor ESRD Risk
Baseline pre-donation kidney-failure risk factors for living-donor evaluation & counseling.
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Tacrolimus · TDM
Tacrolimus Dosing & Target Trough
Weight-based starting dose (IR / ER / Envarsus) and target whole-blood trough by time post-transplant.
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DGF · Risk
Delayed Graft Function Risk
Weighted donor/recipient factors → DGF risk tier; cold ischemia, DCD, donor quality, sensitization.
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Fluids, Electrolytes & Acid–Base
Fluids, Electrolytes & Acid–Base
Magnesium
Magnesium Form & Replacement
Elemental conversion across 17 salts, dose and serum units, kidney-gated.
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Acid–Base
Anion Gap & Acid–Base
Anion gap, corrected AG, delta ratio, Winter’s pCO₂.
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Hyponatremia
Hyponatremia Correction & Na-Rise Predictor
Predict Na⁺ rise from saline (3%/2%/NS) or NaCl/NaHCO₃ tablets, with rate & safe ceiling.
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RTA workup
Urine Anion Gap
Differentiate GI bicarbonate loss from distal RTA in non-gap acidosis.
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Potassium
Spot Urine K/Creatinine Ratio
Screen for renal potassium wasting in hypokalemia — a robust bedside alternative to the TTKG.
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Acid–base
Urine Osmolal Gap → Ammonium
Indirect urine ammonium estimate for normal-gap acidosis when the urine anion gap fails.
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Water balance
Electrolyte-Free Water Clearance
Whether the kidney is adding or removing free water in dysnatremia — an inpatient trend tool.
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Potassium
Transtubular Potassium Gradient
TTKG to assess renal K⁺ handling in hyper-/hypokalemia.
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Pre-renal vs ATN
FeNa & FeUrea
Fractional excretion of sodium and urea.
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Osmoles
Serum Osmolality & Osmolal Gap
Calculated osmolality and osmolal gap.
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Stewart · SIG
Strong Ion Gap (Stewart)
Physicochemical SIDa, SIDe & strong ion gap — detects occult unmeasured anions the anion gap misses.
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Patient · Hydration
Am I Drinking Enough Water? — Urine Colour & Fluid Deficit
Daily water target by weight/sex, plus a urine-colour hydration check and fluid-deficit estimate.
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Hypernatremia
Free Water Deficit
Free water deficit and replacement estimate.
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IV Fluids
Maintenance IV Fluids & Comparison
Holliday-Segar maintenance rate plus an IV-fluid composition table.
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Acidosis
Bicarbonate Deficit & Correction
HCO₃⁻ deficit and a cautious initial replacement dose.
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Acid–Base
ABG Analyzer — Acid-Base Interpreter
Primary disorder, compensation (Winter's), anion gap & delta ratio.
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Winters' Formula
Winters' Formula — Metabolic Acidosis
Expected PaCO₂ compensation and mixed-disorder detection in metabolic acidosis.
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Repletion · K · Mg · PO₄
Electrolyte Repletion Dosing
Potassium, magnesium & phosphate replacement estimates with CKD-cautious dosing and monitoring notes.
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Minerals · Anemia · Iron
Minerals, Anemia & Iron
CKD-MBD
CKD-MBD Lab Calculator
Ca×P product, corrected calcium, PTH target staging.
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Payne
Corrected Calcium for Albumin
Albumin-corrected serum calcium with low/normal/high flag.
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Ganzoni
Iron Deficit & IV Iron Dose
Total iron deficit and IV replacement dose.
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TSAT
Iron Status — TSAT & Ferritin
TSAT from serum iron and TIBC, read with ferritin against KDIGO 2026 criteria.
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ESA Resistance
ESA Resistance Index (ERI)
Erythropoiesis-stimulating-agent resistance index.
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EPO · KDIGO
ESA / EPO Dose Adjustment
Start ESA-naïve patients and titrate epoetin/darbepoetin to the Hgb 10–11.5 target.
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IV Iron
IV Iron — Initiate / Review / Withhold
KDIGO 2026 iron decision by TSAT & ferritin (HD vs non-dialysis/PD), with infection pause.
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Reticulocyte · RPI
Reticulocyte Index (Corrected & RPI)
Corrected retic % and production index — distinguishes hypoproliferative CKD anemia from hemolysis.
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Transfusion · ΔHgb
Transfusion Hgb Predictor
Δ Hgb ↔ RBC volume with age-banded blood volume, product Hct, infusion guidance & restrictive-threshold framing.
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Cardiometabolic
Cardiometabolic
Blood Pressure
MAP, Pulse Pressure & BP Target
MAP, pulse pressure, and CKD BP-target check.
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Lipids
Lipid Panel Interpreter
LDL (Friedewald), non-HDL, and ratio.
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Lipids · ACC/AHA 2026
Dyslipidemia Management Tool
2026 ACC/AHA dyslipidemia tool: PREVENT-based ASCVD risk, LDL-C targets, and personalized statin/non-statin recommendations with Philippine brand names.
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Gout / ULT
Uric Acid Target & FEUA
Urate target, FEUA, and urate-lowering guidance.
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SAMS · ACC 2022
Statin Intolerance & SAMS Aid
Triage muscle symptoms/CK; choose rechallenge or non-statin therapy.
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HAS-BLED · Bleeding Risk
HAS-BLED Score
1-year major bleeding risk in AF patients on anticoagulation; identifies modifiable risk factors.
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ACC/AHA · Heart Failure
ACC/AHA Heart Failure Staging
Stage A–D classification with NYHA cross-reference and cardiorenal syndrome guidance.
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AHA · PREVENT
AHA PREVENT — 10-Year CV Risk
Total CVD, ASCVD & heart-failure risk for ages 30–79 — the kidney-aware score using eGFR and urine ACR.
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AHA 2023
CKM Syndrome Staging Tool
Cardiovascular-Kidney-Metabolic stages 0–4 (incl. 4a/4b) with stage-specific management.
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AF · Stroke Risk
CHA₂DS₂-VASc + Anticoagulation in CKD
Stroke risk in non-valvular AF with CKD-tailored DOAC dosing; pairs with HAS-BLED.
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ADAG · Glucose
eAG ↔ HbA1c Converter
Convert HbA1c to estimated average glucose, with CKD/dialysis reliability caveats.
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Combined · AF
AF Anticoagulation Decision (VASc + HAS-BLED)
CHA₂DS₂-VASc and HAS-BLED on one page with a net recommendation and CKD DOAC dosing.
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ARR · Aldosteronism
Aldosterone-Renin Ratio (ARR)
Primary aldosteronism screen (PAC/PRA or PAC/DRC) for resistant/secondary hypertension workup.
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FIB-4 · NAFLD
FIB-4 & NAFLD Fibrosis Score
Non-invasive liver-fibrosis triage (FIB-4 + NFS) for MASLD — fits the CKM/metabolic cluster.
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ABI · PAD
Ankle-Brachial Index
Per-leg ABI for peripheral artery disease; flags non-compressible (calcified) vessels in diabetic CKD.
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Endocrine & Glucose
Endocrine & Glucose
Thyroid
TSH Interpreter in CKD
Interpret TSH in the context of kidney disease.
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Thyroid
Subclinical Hypothyroidism Aid
Treatment decision aid for subclinical hypothyroidism.
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Thyroid
Thyroid Screening Interval
Recommended thyroid re-screening interval in CKD.
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Glucose
Sodium Correction for Hyperglycemia
Corrected serum sodium for hyperglycemia.
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Diabetes
Insulin Dosing in CKD
CKD-adjusted starting dose, basal/bolus, ISF & carb ratio, correction dose.
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HOMA-IR
Insulin Resistance — HOMA-IR, QUICKI, TyG
HOMA-IR/β, QUICKI, and TyG insulin-resistance surrogates.
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LT4 · Thyroid
Levothyroxine (LT4) Weight-Based Dosing
Starting LT4 dose by indication (hypothyroidism, DTC suppression) with age and cardiac adjustments.
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25-OHD · Cholecalciferol
Vitamin D Dose by 25-OHD Level
Cholecalciferol loading + maintenance by deficiency tier, with CKD nutritional-vs-active context.
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KDIGO · Albuminuria
UACR Serial Trend Tracker
Track UACR over time — KDIGO A1–A3 category, trend, and % change across visits.
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DKA · Protocol
DKA Management
Weight-based fluids, insulin & potassium plan with resolution criteria — euglycemic-DKA & CKD caveats.
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Pediatric Nephrology
Pediatric Nephrology
CKiD U25
Pediatric eGFR (ages 1–25)
Age/sex-specific eGFR for children and young adults.
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Schwartz 2009 · Pediatric
Revised Schwartz eGFR (Pediatric)
Bedside eGFR for children from height and serum creatinine (Schwartz 2009).
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CKiD U25 · Pierce 2021
CKiD U25 eGFR
Age- & sex-specific pediatric/adolescent eGFR (1–25 yr); refined from Bedside Schwartz, valid across the peds→adult transition.
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Pediatric · AAP 2017
Pediatric Blood Pressure
AAP 2017 BP classification (Normal/Elevated/Stage 1–2) by age, sex & height for children 1–17.
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CDC 2000 · BMI
Pediatric BMI z-score & Percentile
CDC 2000 BMI-for-age z-score and percentile (ages 2–19) with full LMS table — Underweight/Healthy/Overweight/Obesity.
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Holliday-Segar · 4-2-1
Holliday-Segar Maintenance Fluids
24-h volume and 4-2-1 hourly rate from weight, with AAP 2018 isotonic-fluid guidance and CKD/HF cautions.
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pRIFLE · pKDIGO
Pediatric AKI Staging
pRIFLE and pKDIGO staging for children — eCCl change OR urine-output criteria with worst-of staging.
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Basu · RAI
Renal Angina Index
Risk × Injury pediatric ICU AKI prediction at 12 h; RAI ≥8 = renal angina present (high NPV for severe Day-3 AKI).
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BSA · Mosteller · Du Bois · Haycock
Body Surface Area
BSA in m² by Mosteller, Du Bois, and Haycock — for chemo, steroid & renal-cleared dosing across ages.
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Pediatric · UO Rate
Pediatric Urine Output
mL/kg/hr with age-specific oliguria thresholds (neonate / infant / child / adolescent) — underlies pRIFLE/pKDIGO.
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Pediatric · IWL
Insensible Water Loss
Age-band IWL (mL/kg/day) adjusted for fever, phototherapy & radiant warmer — fluid-balance precision in NICU/PICU.
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WHO · Gorelick · Deficit
Pediatric Dehydration
WHO + Gorelick severity scales with fluid-deficit (% × kg × 10) and IV/oral plan — slow correction for hypernatremia.
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Pediatric · Ca Correction
Pediatric Calcium (Corrected & Ionized)
Albumin-corrected total Ca and ionized-Ca estimate with age-specific reference ranges (preterm → adolescent).
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Neonatal · Modified KDIGO
Neonatal AKI Staging
Modified KDIGO using LOWEST-previous SCr (not pre-illness baseline) + age-adjusted UO thresholds (Jetton/AWAKEN).
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WHO · CDC · Growth
Pediatric Growth Percentiles
Height-for-age, weight-for-age & weight-for-length percentiles (WHO 0–24 mo, CDC 2–20 yr) for CKD growth tracking.
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CKiD · Time to KRT
Pediatric CKD Progression — Time to KRT
CKiD generalized gamma models (elementary to enriched): percentile times to dialysis or transplant and 2- and 5-year risk; validated in Korean children (2026).
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Nutrition & Lifestyle
Nutrition, Body & Lifestyle
Low-Carb / Keto · KDOQI · KDIGO
Low-Carb Safety Planner for Kidney Patients
Personalized protein ceiling, carb floor (euDKA guardrail), acid/K/PO₄/energy risk panel, and a green/amber/red verdict.
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KDOQI 2020
CKD Nutrition Prescription
Protein, energy, K, P, Na, and fluid targets by stage.
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Anthropometry
BMI, BSA, Ideal & Adjusted Weight
BMI (Asian-Pacific), Mosteller BSA, Devine IBW.
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Salt
Sodium Intake Estimator
Daily sodium from Filipino foods vs the 2 g target.
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Karvonen
Exercise Target HR Zones
Karvonen HR zones and energy expenditure.
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MET · Compendium
Physical Activity MET Calculator
Calories, intensity tier, and minutes toward the 150-minute weekly target for any activity.
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Harris-Benedict · Mifflin
Basal Energy Expenditure
BMR from Harris-Benedict (original & revised) and Mifflin-St Jeor; KDOQI 30–35 kcal/kg CKD target.
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NRI · GNRI · Malnutrition
Nutritional Risk Index (NRI & GNRI)
Standard NRI (albumin + weight) and Geriatric NRI (albumin + IBW ratio); KDOQI malnutrition risk categories.
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Filipino Foods · Phosphate
Phosphorus Dietary Load Estimator
Daily phosphorus from Filipino foods vs target, with an additive-phosphorus (high-absorption) warning.
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Filipino Foods · Potassium
Potassium Dietary Load Estimator
Daily potassium from Filipino foods vs target, with high-K avoidance and leaching tips.
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nPNA · Dialysis
nPCR — Protein Catabolic Rate
Normalized protein catabolic rate from interdialytic BUN rise; dietary protein surrogate (target 1.0–1.2).
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KA · LPD/VLPD
Ketoanalogue Supplement Dose
IBW-based ketoacid analogue dosing with the paired low-/very-low-protein diet target.
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Geriatric & Comorbidity
Geriatric & Comorbidity
Charlson
Charlson Comorbidity Index
Age-adjusted comorbidity burden and prognosis.
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Frailty
Frailty — CFS & Fried Phenotype
Clinical Frailty Scale and Fried frailty phenotype.
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SARC-F · SARC-CalF
Sarcopenia Screening — SARC-F + Calf
SARC-F questionnaire with optional calf circumference (SARC-CalF) for low-muscle screening in CKD/dialysis.
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Mini-Cog · MoCA · MMSE
Cognitive Screen for CKD & Dialysis
Mini-Cog scoring and MoCA/MMSE interpretation with the hemodialysis cut point, dialysis timing, and CKD-REIN prognosis.
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Screening & Scores
Screening & Symptom Scores
Urology
IPSS — Prostate Symptom Score
International Prostate Symptom Score and QoL.
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Sexual Health
IIEF-5 — Erectile Function
5-item erectile-function screening (SHIM).
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Lupus
SLEDAI-2K & Damage Index
Lupus activity (SLEDAI-2K) and SLICC/ACR damage.
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Malnutrition
Malnutrition Screening — SNAQ/MIS/SGA
Three-tab nutrition screening for CKD.
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Substance Use
SBIRT — AUDIT-C/DAST-10/CAGE-AID
Validated alcohol and drug screening.
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Pleural Effusion
Light's Criteria
Distinguish exudate from transudate using the 3-ratio rule (Light 1972).
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HIT · Hematology
4Ts Score — HIT Pretest Probability
Pretest probability of heparin-induced thrombocytopenia (Lo 2006).
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STOP-BANG · Sleep Apnea
STOP-BANG — OSA Screening
8-item obstructive sleep apnea screen; high score warrants polysomnography referral.
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PHQ-9 · Depression
PHQ-9 Depression Screen
9-item depression severity with PHQ-2 and a self-harm safety flag; CKD depression is 25–40%.
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PSQI · Sleep
Pittsburgh Sleep Quality Index
7-component sleep-quality score (global >5 = poor); complements STOP-BANG for HD patients.
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Epworth · ESS
Epworth Sleepiness Scale
8-item daytime sleepiness score (≥11 = excessive); pairs with PSQI & STOP-BANG for CKD/pre-transplant workup.
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Patient-Reported Outcomes
Patient-Reported Outcomes (PROMs)
Acute Kidney Injury
Acute Kidney Injury
KDIGO
AKI Staging (KDIGO)
Stage AKI by creatinine ratio/rise and urine output.
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RIFLE · ADQI
RIFLE Criteria
Risk/Injury/Failure/Loss/ESKD classification of AKI (Bellomo 2004).
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AKIN
AKIN Classification
Stage AKI (1–3) from 48-h creatinine rise or urine output (Mehta 2007).
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Hantavirus
HFRS Severity & Dialysis Risk
HFRS severity and dialysis-need estimate.
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Dengue
Dengue-Associated AKI Risk
AKI risk estimate in dengue infection.
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Malaria
Severe Malaria Check: WHO Criteria & CAM Score
Species-aware WHO severity criteria and the Coma Acidosis Malaria score (Hanson 2010).
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Thakar · Cardiac Sx
Thakar Score — AKI After Cardiac Surgery
Cleveland Clinic risk of AKI requiring dialysis after cardiac surgery.
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SPARK · Non-Cardiac Sx
SPARK Index — AKI After Non-Cardiac Surgery
Preoperative AKI risk classes (A–D) before non-cardiac surgery.
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Kinetic eGFR
Kinetic eGFR — AKI Creatinine Adjustment
Estimates true GFR during rising or falling creatinine using the Chen 2013 kinetic formula.
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Urine Output · Fluid Balance
Urine Output & Fluid Balance
UO rate (mL/kg/h) vs KDIGO AKI thresholds; cumulative fluid balance and fluid overload % of admission weight.
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Leptospirosis · Weil's
Leptospirosis-AKI / Severity Risk
Philippines-endemic Weil's disease: severity and dialysis-requiring-AKI risk from clinical predictors.
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Critical Care & Emergency
Critical Care & Emergency
GCS · Neurology
Glasgow Coma Scale (GCS)
Eye + verbal + motor response scoring; severity classification and intubation threshold.
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SIRS · Sepsis-2
SIRS / Sepsis / Septic Shock
Systemic inflammatory response classification with organ dysfunction checklist (Bone 1992).
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Burns · Parkland
Parkland Formula — Burns Resuscitation
24-h LR volume (4×kg×%TBSA), time-adjusted delivery rates, and Rule of Nines.
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Toxicology · NAC
Acetaminophen Overdose & NAC Protocol
Rumack-Matthew nomogram risk assessment and IV NAC 21-hour dosing protocol.
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Vasopressors · Inotropes
Vasopressor & Inotrope Infusion
Dose ↔ rate (mL/hr) and gtts/min for local norepinephrine, epinephrine, dopamine, dobutamine, vasopressin, milrinone formulations.
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Sepsis-3
qSOFA & SOFA Score
Bedside qSOFA and full six-organ SOFA scoring; complements the SIRS/Sepsis tool.
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QTc · ECG
Corrected QT Interval (QTc)
Bazett, Fridericia, Framingham & Hodges QTc with torsades risk band — for QT-prolonging drugs in CKD.
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CRRT · KDIGO
CRRT Dose & Effluent Flow
Effluent rate → delivered dose (mL/kg/hr) vs the KDIGO 20–25 target, with downtime & pre-dilution correction.
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CRRT · Net UF
Net Ultrafiltration Rate (CRRT)
Net fluid-removal intensity (mL/kg/hr); >1.75 mL/kg/hr is linked to mortality — distinct from the effluent dose.
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CRRT · Template
CRRT Flowsheet & SBAR Handoff
Fillable, printable shift template — prescription, hourly pressures, a self-totaling fluid ledger, delivered:prescribed ratio, filter age, labs, events, and SBAR.
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FST · AKI
Furosemide Stress Test
2-h urine output after 1.0–1.5 mg/kg IV; <200 mL predicts progression to KDIGO stage-3 AKI / RRT.
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Fluid Balance
Fluid Overload %
Cumulative balance ÷ baseline weight; ≥10% fluid overload predicts mortality & worse AKI recovery.
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Cardiorenal · Perfusion
Renal & Abdominal Perfusion Pressure
MAP − CVP (renal) and MAP − IAP (abdominal) with IAH/ACS staging — congestive & compartment AKI.
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APACHE II · ICU
APACHE II Score
12 physiology variables + age + chronic health → ICU severity and estimated mortality (doubles for ARF).
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Rhabdomyolysis · AKI
McMahon Score
Predicts AKI requiring RRT or death in rhabdomyolysis (score ≥6 = elevated risk).
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MELD-Na · Hepatorenal
MELD & MELD-Na Score
Liver-disease severity (creatinine + dialysis weighted) — hepatorenal syndrome & ACLF prognosis.
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Lactate · Sepsis
Lactate Clearance
% clearance over the resuscitation interval; ≥10% is a validated sepsis target. Rising lactate = ominous.
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VIS · Vasopressors
Vasoactive-Inotropic Score
Weighted cumulative vasoactive dose; higher VIS tracks mortality, ventilation, and AKI/RRT risk.
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Shock Index
Shock Index & Modified SI
HR/SBP (and HR/MAP, age SI); ≥0.9 flags occult shock & hypoperfusion before SBP falls.
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Child-Pugh · Cirrhosis
Child-Pugh Score
Cirrhosis severity (Class A/B/C) from bilirubin, albumin, INR, ascites & encephalopathy — pairs with MELD-Na.
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Wells · VTE
Wells Score — DVT & PE
Pretest probability for DVT and PE with the D-dimer vs imaging next step (CKD contrast caveats noted).
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SAAG · Ascites
Serum-Ascites Albumin Gradient
SAAG ≥1.1 = portal hypertension; with ascitic protein splits cardiac vs cirrhotic — hepatorenal workup.
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Pulmonary & Infectious Disease
Pulmonary & Infectious Disease
CAP · PSMID 2020
Philippine CAP Risk Stratification
Low/moderate/high-risk CAP → site of care + empiric antibiotics per the 2020 PSMID/PCCP/PCP CPG.
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CURB-65 · Pneumonia
CURB-65 — Pneumonia Severity
5-point CAP severity (Confusion, Urea, RR, BP, Age ≥65) → outpatient vs admit vs ICU; CRB-65 & PSI notes.
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Gas Exchange
A-a Gradient
Alveolar–arterial O₂ gradient with age-expected limit — separates V/Q mismatch & shunt from hypoventilation.
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ARDS · Berlin
P/F Ratio (PaO₂/FiO₂)
Berlin ARDS severity (mild/moderate/severe) with S/F surrogate; drives fluid strategy in AKI/sepsis.
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Lung-Protective Vent
Minute Ventilation & Tidal Volume
Devine IBW, 6 mL/kg lung-protective tidal volume target & minute ventilation for ICU/AKI ventilation.
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REVEAL 2.0 · PAH
REVEAL 2.0 — PAH Risk Score
Weighted pulmonary-arterial-hypertension risk (low/intermediate/high); pulmonary HTN is common in dialysis.
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Cardiorenal · IVC
RAP from IVC Collapsibility
ASE 3-tier right-atrial pressure from IVC size & collapse — venous congestion → cardiorenal AKI.
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Oncology & Urology
Oncology & Urology
PSA · Prostate Panel · Screening
Prostate Panel Interpreter & PSA Calculator
Drug-corrected PSA interpretation (finasteride ×2, dutasteride ×2.5) with % Free PSA, PSA density, PSA velocity, and age-adjusted risk tiers.
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PSA · Full Interpretation Guide
Prostate Panel Interpreter — Full Guide
In-depth PSA calculator and guide: prostate panel results, drug corrections, risk tiers, and follow-up recommendations.
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PSA · Prostate Cancer
PSA Doubling Time (PSADT)
2-point and multi-point PSADT from serial PSA values; progression velocity and AUA risk bands.
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RENAL · Renal Mass
RENAL Nephrometry Score
R+E+N+A+L tumor complexity scoring (4–12); Low/Moderate/High with hilar suffix for partial vs radical nephrectomy planning.
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Calvert · ADQI 2026
Carboplatin Calvert Dose + Chemo Renal Adjustment
Carboplatin dose from measured GFR, BSA-adjusted CKD-EPI, or Cockcroft-Gault (FDA cap), plus ADQI renal bands for cisplatin, methotrexate, and others.
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Rheumatology
Rheumatology
Gout · ACR/EULAR
2015 ACR/EULAR Gout Classification Criteria
7-domain scoring (joints, MSU crystals, serum urate, imaging); score ≥8 = gout. MSU crystal identification is sufficient criterion.
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Rheumatoid Arthritis · ACR/EULAR
2010 ACR/EULAR RA Classification Criteria
4-domain scoring (joints, serology, APR, duration); score ≥6/10 = definite RA. Guides early DMARD initiation.
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Kidney Stones
Kidney Stones
Prevention
Stone Prevention — Fluid Target
Urine/fluid target and dietary stone-risk.
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Acute
Ureteral Stone Passage Likelihood
Spontaneous-passage likelihood by size/location.
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24-h Urine · Pak
Urine Supersaturation / Stone Risk Profile
Interpret 24-h urine Ca, oxalate, citrate, uric acid, Na & pH against targets for stone-recurrence counseling.
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ROKS · CARI 2026
Stone Recurrence Profile + CARI Checklist
ROKS recurrence risk factors and a personalized CARI 2026 prevention checklist (fluid, sodium, calcium, citrate, thiazide).
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Other Tools
Other Tools
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Important: These calculators are educational aids and do not replace clinical judgment, examination, or the advice of your own physician. Reference ranges and thresholds follow current KDIGO/KDOQI and specialty guidelines but must be applied in clinical context. More tools from the guide library are being added to this index over time.
