Cardiovascular System calculators
37 calculators Blood Pressure Calculator Classify your blood pressure by ACC/AHA 2017 or ESC/ESH 2018 guidelines, average up to two readings, and get your mean arterial pressure (MAP) and pulse pressure.
Open Cardiac Output Calculator Find cardiac output from heart rate and stroke volume, the Fick method, or reverse solve for HR or SV. Also get cardiac index, stroke volume index, ejection fraction.
Open Framingham Risk Calculator Estimate 10-year cardiovascular risk with the Framingham score, plus your heart age, a risk-factor breakdown, and a what-if showing how much risk you can remove.
Open QTc Calculator Calculate the corrected QT interval with five formulas (Bazett, Fridericia, Framingham, Hodges, Rautaharju) from QT and heart rate or RR, with a sex-specific reading.
Open 6-Minute Walk Test Calculator Calculate your predicted 6-minute walk distance and see how your result compares to normal values. Includes age, sex, and weight-based reference equations.
Open ABI Calculator (Ankle-Brachial Index) Calculate your ABI (Ankle-Brachial Index) for both legs. Enter arm and ankle pressures to screen for peripheral artery disease with clinical interpretation.
Open Aortic Valve Area Calculator Calculate aortic valve area using the Continuity Equation, Gorlin Formula, or Hakki Equation. Severity grading, step-by-step math, and clinical reference table included.
Open Arterial Age Calculator Convert your Agatston calcium score to arterial age using the MESA formula. Compare vascular age to real age and get a plain-English cardiovascular risk interpretation.
Open Cardiac Index Calculator Calculate cardiac index from cardiac output and BSA, or stroke volume and heart rate. Covers Haycock BSA formula, clinical normal ranges, and a full worked breakdown.
Open CHA2DS2-VASc Score Calculator Calculate the CHA2DS2-VASc score for atrial fibrillation stroke risk. Instantly see your annual stroke risk percentage and anticoagulation recommendation.
Open DAPT Score Calculator Calculate the DAPT score to guide dual antiplatelet therapy duration after PCI. Enter 9 clinical factors and see whether prolonged DAPT or aspirin alone is favored.
Open Doppler Echo Cardiac Output Calculator Calculate cardiac output, cardiac index, stroke volume and LVOT area from your Doppler echo measurements. Instant results with normal ranges and step-by-step math.
Open Duke Treadmill Score Calculator Calculate your Duke Treadmill Score from exercise duration, ST deviation and angina index. Instant risk stratification with 5-year survival and annual mortality.
Open ECG Boxes to Seconds Calculator Convert ECG grid boxes to seconds or milliseconds instantly. Supports small and large boxes at 25 mm/s or 50 mm/s, with normal ECG interval reference table.
Open ECG Heart Rate Calculator Calculate heart rate from an ECG using the RR interval, 300-rule, 1500-rule, 6-second method, or cycle length. Instant bpm result with a full worked example.
Open EROA Mitral Regurgitation Calculator (PISA Method) Calculate EROA, regurgitant volume, and MR severity with the PISA method. Covers primary and secondary MR with ACC/AHA grading thresholds. Free, instant results.
Open Gorlin Formula Calculator: Aortic and Mitral Valve Area Calculate aortic or mitral valve area from catheterization data using the Gorlin formula. Includes stenosis grading, Hakki approximation, and step-by-step math.
Open GRACE Score Calculator Calculate the GRACE score for acute coronary syndrome. Get in-hospital and 6-month mortality risk categories for NSTEMI and STEMI from 8 validated clinical variables.
Open Gupta Perioperative Risk Calculator (MICA) Calculate perioperative MICA risk with the Gupta model. Enter age, ASA class, functional status, creatinine, and surgery type to get your 30-day cardiac risk.
Open HAS-BLED Calculator Calculate the HAS-BLED score to estimate 1-year major-bleeding risk in atrial fibrillation patients on anticoagulation. Instant result with risk category and interpretation.
Open Heart Failure Life Expectancy Calculator Estimate 1-year and 3-year heart failure survival with the validated MAGGIC risk score. Enter age, ejection fraction, NYHA class, kidney function, and comorbidities.
Open HEART Score Calculator Calculate the HEART Score for chest pain risk stratification. Get your low, intermediate, or high MACE risk category with clinical guidance for ED triage.
Open ICH Volume Calculator (ABC/2 Method) Calculate intracerebral hemorrhage volume using the ABC/2 or ABC/3 formula from CT measurements. Includes severity classification and mortality thresholds.
Open LV Calculator - Left Ventricular Mass Index Calculate left ventricular mass, LVMI, and relative wall thickness from echo dimensions. Classifies LV geometry: normal, concentric remodeling, or LV hypertrophy.
Open MAP Calculator (Mean Arterial Pressure) Calculate mean arterial pressure (MAP) from systolic and diastolic blood pressure. Instant result with pulse pressure, clinical ranges, and a show-your-work panel.
Open Mitral Valve Area Calculator Calculate mitral valve area using pressure half-time, deceleration time, Gorlin formula, or continuity equation. Instant ACC/AHA severity grading for mitral stenosis.
Open Padua Score Calculator Calculate the Padua Prediction Score for VTE risk in hospitalized medical patients. Get risk category, thromboprophylaxis recommendation, and full scoring breakdown.
Open PERC Calculator - Pulmonary Embolism Rule-Out Criteria Apply the 8-item PERC rule to safely exclude pulmonary embolism in low-risk patients. Instant score, interpretation, next-step guidance, and clinical evidence.
Open PISA Calculator (Proximal Isovelocity Surface Area) Calculate EROA, regurgitant volume, and mitral valve area with the PISA method. Instant echocardiographic mitral regurgitation severity grading per ASE guidelines.
Open PVR Calculator: Pulmonary Vascular Resistance Calculate pulmonary vascular resistance in Wood units and dynes/sec/cm5 from MPAP, PCWP, and cardiac output. Normal ranges and severity classification shown.
Open Rate Pressure Product Calculator: RPP and Myocardial Workload Calculate the rate pressure product (RPP) from heart rate and systolic blood pressure. Get your myocardial workload category and clinical interpretation instantly.
Open RCRI Calculator - Revised Cardiac Risk Index Calculate the Revised Cardiac Risk Index (RCRI) to estimate major cardiac event risk before noncardiac surgery. Based on Lee et al. 1999 with 6 clinical risk factors.
Open Revised Geneva Score Calculator for Pulmonary Embolism Calculate the Revised Geneva Score for pulmonary embolism pretest probability. Stratifies PE risk into low, intermediate, or high with clinical guidance.
Open Stroke Volume Calculator Calculate stroke volume from EDV and ESV, cardiac output and heart rate, or Doppler LVOT echo, plus ejection fraction, cardiac output, and cardiac index.
Open TIMI Score Calculator for UA/NSTEMI Calculate the TIMI Risk Score for unstable angina and NSTEMI. Enter 7 clinical criteria to estimate 14-day risk of death, MI, or urgent revascularization.
Open TIMI Score for STEMI Calculator Calculate the TIMI Risk Score for STEMI to estimate 30-day all-cause mortality. Enter 9 bedside clinical variables and get instant risk stratification.
Open Wells Score Calculator for Pulmonary Embolism Calculate the Wells Score for pulmonary embolism pre-test probability. Get 3-level and 2-level risk classification with D-dimer and CTPA guidance.
Open
No calculators match your filter.