Anisosphygmia in aortic dissection – Cardiology MCQ

Anisosphymia (asymmetric pulses) is an important feature which makes one suspect aortic dissection in a person presenting with chest pain. What percentage of persons with aortic dissection have anisosphygmia?
a) 30 percent
b) 50 percent
c) 70 percent
d) 90 percent
Correct Answer