Standing vs Sitting Blood Pressure Comparison
Orthostatic hypotension occurs when BP drops significantly upon standing.
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📐 Formula
💡 Practical Example
Sitting: 130/85 | Standing: 108/74. Systolic drop = 22 mmHg. Diastolic drop = 11 mmHg. → Orthostatic Hypotension detected. Consult doctor.
📖 About Standing vs Sitting Blood Pressure Comparison
Orthostatic hypotension occurs when BP drops significantly upon standing. It affects up to 20% of adults over
- Causes include dehydration, medications (diuretics, beta-blockers), and autonomic neuropathy.
To use the Standing vs Sitting Blood Pressure Comparison, enter your Sitting Systolic BP, Sitting Diastolic BP, Standing Systolic BP and other values. The calculator instantly computes Systolic Difference (Sitting - Standing), Diastolic Difference and more. Results update in real time as you change any input — no submit button needed.
How to Use This Calculator
Enter your Sitting Systolic BP (e.g. 120 in mmHg), Sitting Diastolic BP (e.g. 80 in mmHg), Standing Systolic BP (e.g. 118 in mmHg), and Standing Diastolic BP (e.g. 82 in mmHg). Results update instantly — no submit button needed. Use metric or imperial units as labeled. For the most accurate result, measure height and weight in the morning without shoes.
The Formula
Orthostatic Hypotension: Systolic drop ≥20 mmHg OR Diastolic drop ≥10 mmHg within 3 minutes of standing
Worked Example
Sitting: 130/85 | Standing: 108/
- Systolic drop = 22 mmHg. Diastolic drop = 11 mmHg. → Orthostatic Hypotension detected. Consult doctor.
Understanding Your Result
ACC/AHA 2017 classification: Normal below 120/80 — Elevated 120–129/less than 80 — Stage 1 Hypertension 130–139/80–89 — Stage 2 Hypertension 140+/90+ — Hypertensive Crisis above 180/120 (seek immediate care). A single reading is unreliable; hypertension diagnosis requires elevated readings on two or more separate occasions. White coat hypertension (elevated only in clinic) affects 15–30% of patients. Home monitoring with a validated upper-arm cuff provides more accurate baseline data than isolated clinical readings.
💡 Expert Health Guidance & Clinical Context
- This calculator uses clinically validated formulas and population reference data published by the WHO and NIH. Results are screening estimates, not medical diagnoses.
- Consult a licensed healthcare provider before making any changes to diet, medication, or exercise based on these results — individual variation is significant.
- Genetics, chronic conditions, and concurrent medications can dramatically affect what a "normal" result means for a specific individual.
- Track your results over time: a single data point is less meaningful than a trend measured consistently across multiple weeks or months.
- The CDC recommends adults receive routine health screenings at least annually. Use these calculations to prepare informed questions for your physician.
- Body composition, lifestyle factors, and stress levels all interact with the metrics shown here. No single number captures your full health picture.
- For pediatric or geriatric populations, reference ranges may differ significantly from the adult standards used in general calculators.
- Always cross-reference results with laboratory tests, clinical examinations, and professional medical evaluation before acting on any finding.
Results are for informational and educational purposes only. Always verify critical decisions with a qualified professional.