Stroke Volume Calculator
Calculate stroke volume, cardiac output, and ejection fraction for cardiovascular assessment. Determine cardiac performance based on heart rate, blood pressure, and ventricular dimensions.
Step 1: Patient Information
1.8 m²
Understanding Stroke Volume
Stroke Volume (SV) is the amount of blood pumped by the left ventricle per beat. Normal range is 60-100 mL/beat. Cardiac Output (CO) = SV × Heart Rate.
Step 2: Cardiac Measurements
5.0 cm
3.5 cm
Cardiac Output Calculation
Cardiac Output (CO) = Stroke Volume × Heart Rate. Normal CO is 4-8 L/min. Ejection Fraction (EF) = (SV / EDV) × 100%, normal EF >55%.
Cardiac Assessment Results
Summary
Parameter Comparison
Cardiac Cycle
Calculated Stroke Volume
70 mL
For 75 bpm heart rate using Doppler method
Cardiac Output
5.25 L/min
Ejection Fraction
62%
Heart Rate
75 bpm
Calculation Method
Doppler
Cardiac Parameter Comparison
| Parameter | Normal Range | Mild Abnormality | Severe Abnormality |
|---|
Cardiac Cycle Visualization
Stroke Volume Formula
SV = π × (LVEDD/2)² × VTI
For Doppler method: Stroke Volume = Cross-sectional area × Velocity Time Integral. Cardiac Output = SV × Heart Rate.
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