A 32-year-old asymptomatic woman

A 32-year-old asymptomatic woman has a rapidly rising, forceful pulse that collapses quickly. Which of the following is the most likely diagnosis?

(A) mitral stenosis
(B) mitral regurgitation
© aortic stenosis
(D) aortic regurgitation
(E) coarctation of the aorta

solution

This pulse is seen in aortic regurgitation. The pressure in diastole is usually 50 mm Hg or lower. This is known as a water hammer or Corrigan’s pulse. A bisferiens pulse (in the bisferiens wave form there are two pressure
peaks) may be present as well. Systolic blood pressure is elevated.