Cardiology Question 26 Instructor

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

Wide pulse pressure is defined as:
Pulse pressure more than 50% of systolic blood pressure
i.e. (BP systolic & BP diastolic) >50% BP systolic

Extremely wide pulse pressure can be seen in conditions with high stroke volume, such as:

  1. Aortic insufficiency
  2. Hyperthyroidism
  3. Beriberi
  4. Pregnancy
  5. Fever
  6. Anemia
  7. Patient ductus arteriosus
  8. Severe Paget’s disease with extensive arteriovenous shunting through the diseased bone
  9. Severe exfoliative dermatitis with shunting through the diseased skin

N.B. If widened pulse pressure only seen in one limb, one should search for an arteriovenous fistulas in that limb.

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