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The Rate Pressure Product (RPP) = Heart Rate x Systolic Blood Pressure is a simple multiplication widely used in exercise physiology and cardiac stress testing literature as a proxy for myocardial oxygen demand. This calculator is for general reference and educational purposes only — it is not a medical diagnosis. Consult a doctor for actual cardiac workload assessment.
How it works
Enter heart rate (bpm) and systolic blood pressure (mmHg). The tool multiplies the two.
- Enter heart rate (bpm).
- Enter systolic blood pressure (mmHg).
- Click Calculate to see your results.
Examples
Heart rate 75 bpm, systolic BP 120 mmHg
RPP = 75 x 120 = 9,000.
Who should use it
- Tracking estimated cardiac workload during exercise stress testing.
- Exercise physiology and cardiac rehabilitation education.
Industry applications
- Cardiology and exercise physiology reference
- Cardiac rehabilitation programs
Advantages
- Simple, transparent multiplication.
- Widely referenced in cardiac stress testing and exercise physiology literature.
Limitations
- A proxy, not a direct measurement of myocardial oxygen consumption.
- Most meaningful as a trend across a test (e.g. exercise stress test) rather than a single value.
Common mistakes to avoid
- Using diastolic blood pressure instead of systolic in the formula.
- Comparing RPP values measured at rest to those measured during exercise without noting the different context.
Best practices
- Record the activity level or test stage alongside each RPP value for meaningful trend comparison.
Tips
- Track RPP as a trend across activity levels rather than relying on a single isolated value.