Cardiology Question 27 Instructor

How is narrow pulse pressure defined and what are the causes?

Narrow pulse pressure is defined as:
Pulse pressure less than 25% of the systolic blood pressure
i.e. (BP systolic & BP diastoic) <25% BP systolic

  1. Decreased stroke volume
  2. Pericardial tamponade
  3. Constrictive pericarditis
  4. Tachycardia
  5. Aortic stenosis
  6. Artificially produced in severely heightened vasomotor tone with increased peripheral vascular resistance, e.g. cardiogenic shock

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