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Cardiac Output Calculator

Estimate cardiac output using heart rate and stroke volume

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Educational Use Only: This tool is for educational purposes only. It does not replace clinical judgment or medical advice.

Heart Rate(bpm)

bpm

Stroke Volume(mL)

Weight (for Cardiac Index)(kg)

Height (for Cardiac Index)(cm)

Cardiac Output (CO) = Heart Rate × Stroke Volume

Cardiac Index (CI) = Cardiac Output ÷ Body Surface Area

Normal CO: 4.0-8.0 L/min

Normal CI: 2.5-4.0 L/min/m²

• Low CO (<4.0 L/min): Heart failure, cardiogenic shock

• Normal CO (4.0-8.0 L/min): Adequate circulation

• High CO (>8.0 L/min): Hyperdynamic state, fever, sepsis

• Low CI (<2.5 L/min/m²): Severe cardiac dysfunction

Cardiac output assessment is crucial for hemodynamic monitoring, heart failure management, and critical care decision making.

Cardiac index normalizes for body size and is preferred for comparing cardiac function between patients of different sizes.

Master your skills with interactive cases, real-time simulations, and expert-guided learning in the E-PulsePoints mobile app.