❤️ Pulse Pressure
Calculate pulse pressure to reflect stroke volume and arterial compliance.
Clinical takeaway
Narrow → low-output states (tamponade, hypovolaemia).
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When to use
Identify wide or narrow pulse pressure states.
How it works
Pulse pressure = systolic − diastolic BP. Normal ~40 mmHg; wide > 60, narrow < 25.
Key points
- Narrow → low-output states (tamponade, hypovolaemia).
- Wide → arterial stiffness, aortic regurgitation, high output.
- Interpret with the full haemodynamic picture.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Systolic BP | 120 mmHg |
|---|---|
| Diastolic BP | 80 mmHg |
→Pulse pressure40mmHg
- Interpretation：Normal range (~40 mmHg).
Frequently asked questions
- What is Pulse Pressure?
- Calculate pulse pressure to reflect stroke volume and arterial compliance.
- How is Pulse Pressure calculated? What is the core formula?
- Pulse pressure = systolic − diastolic BP. Normal ~40 mmHg; wide > 60, narrow < 25.
- When is Pulse Pressure used?
- Identify wide or narrow pulse pressure states.
- What are the key clinical points for Pulse Pressure?
- Narrow → low-output states (tamponade, hypovolaemia). Wide → arterial stiffness, aortic regurgitation, high output. Interpret with the full haemodynamic picture.
- What are the limits and cautions when using Pulse Pressure?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- How is Pulse Pressure calculated in practice? Can you show a worked example?
- Inputs: Systolic BP 120 mmHg, Diastolic BP 80 mmHg → Result: Pulse pressure 40 mmHg（Interpretation: Normal range (~40 mmHg).）