Orthostatic Heart Rate Recovery Test

Assess autonomic nervous system function from the orthostatic heart rate response — the change in HR when moving from lying to standing position.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Assess autonomic nervous system function from the orthostatic heart rate response — the change in HR when moving from lying to standing position

Each component has a specific meaning:

  • Orthostatic heart rate response — the change in HR when moving from lying — The orthostatic heart rate response — the change in hr when moving from lying recorded for the scenario being assessed.

Note: Interpret the orthostatic hr recovery result against the thresholds and context described above.

How to Use

Enter the orthostatic heart rate response — the change in HR when moving from lying for the scenario you are assessing. Assess autonomic nervous system function from the orthostatic heart rate response — the change in HR when moving from lying to standing position. Use the orthostatic hr recovery result to inform your calculation.

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Frequently Asked Questions