Cardiac Output Calculator

Cardiac Output Calculator — Measure Heart Performance

Calculate cardiac output, stroke volume, and cardiac index with our comprehensive medical calculator. Assess heart function for clinical, educational, and personal health monitoring purposes.

Step 1: Patient Information

Patient Type

Patient Measurements

Weight (kg)

Height (cm)

Age (years)

Heart Rate (bpm)

75 bpm

Normal Cardiac Output Values

Average adult cardiac output: 4-8 L/min. Athletes may have outputs up to 30-35 L/min during intense exercise. Cardiac index (normal): 2.5-4.0 L/min/m².

Step 2: Cardiac Measurements

Cardiac Parameters

Stroke Volume (mL)

End-Diastolic Volume (mL)

End-Systolic Volume (mL)

Blood Pressure (mmHg)

Calculation Method

Show cardiac cycle visualization

Show patient type comparison

Ejection Fraction Calculation

Ejection Fraction (EF) = (Stroke Volume / End-Diastolic Volume) × 100. Normal EF is 55-70%. EF below 40% may indicate heart failure.

Cardiac Output Results

Summary

Cardiac Visualization

Patient Comparison

Cardiac Output

5.25 L/min

Normal range for 40-year-old adult

Cardiac Index

3.0 L/min/m²

Ejection Fraction

58%

Stroke Volume

70 mL

Heart Rate

75 bpm

Cardiac Cycle Visualization

Cardiac Cycle

Currently in: Systole (Contraction)

Blood Flow: 5.25 L/min

Systolic Phase

0.3 sec

Diastolic Phase

0.5 sec

Cardiac Cycle Time

0.8 sec

Cardiac Output Status

Normal

Patient Type Comparison

Patient Type	Cardiac Output	Heart Rate	Stroke Volume

Need Medical Advice?

This calculator is for educational purposes only. Always consult with a healthcare professional for medical diagnosis and treatment. Do not use this information to self-diagnose or treat medical conditions.

Important Medical Disclaimer