Clinical calculators for cardiology, including risk scores, ECG tools, and heart failure assessment. Useful for cardiologists, residents, and students.
Medical Calculator – SonDoctor.com × Integrated LDL-Cholesterol Calculator (Friedewald / Martin-Hopkins / Sampson) Friedewald: LDL = TC – HDL – (TG/5) Martin-Hopkins: LDL = TC – HDL – (TG / adjustable factor) Sampson: LDL = (TC / 0.948) – (HDL / 0.971) – ((TG / 8.56) + (TG × non-HDL / 2140) – (TG² / … Read more
Medical Calculator – SonDoctor.com × Corrected QT (QTc) Calculator Adjust QT interval based on heart rate Bazett formula: QTc = QT / √RR Fridericia formula: QTc = QT / 3√RR Framingham formula: QTc = QT + 154 x (1 – RR) Hodges formula: QTc = QT + 1.75 x (HR – 60) Rautaharju formula: QTc … Read more
Medical Calculator – SonDoctor.com × ECG Heart Rate Calculator (Calculate BPM from RR Interval) Enter the number of small boxes (mm) between R waves. Heart Rate [bpm] = (Paper Speed [mm/sec] × 60) / RR Interval [mm] R-R interval (mm): Paper speed (mm/sec): How to Use the ECG Heart Rate Calculator
Medical Calculator – SonDoctor.com × MAP (Mean Arterial Pressure) Calculator MAP = (SBP + (2 × DBP)) / 3 SBP (mmHg) : DBP (mmHg) : *SBP: Systolic Blood Pressure *DBP: Diastolic Blood Pressure
Medical Calculator – SonDoctor.com × LDL Cholesterol Calculator Calculates LDL-C using the Friedewald formula. LDL-C = TC – HDL – (TG/5) Total Cholesterol (mg/dL) : Triglycerides (mg/dL) : HDL-cholesterol (mg/dL) : ※ Note: The Friedewald formula is inaccurate when TG ≥ 400 mg/dL.