Repeated USMLE Questions Step 1- 260

A 53-year-old man visits his physician with a complaint of erectile dysfunction. He is married for 20 years and they have two kids. He had never complained of his sexual performance until last month when he found out that he could not induce a full erection. He has no major health conditions and does not take any medications. He smokes one pack of cigarettes daily for 25 years. He does not drink alcohol or takes recreational drugs.

What is the most likely etiology for this patient’s condition?



C-Pure psychogenic




In men older than 50 years, vascular diseases such as atherosclerosis, peripheral vascular diseases, hypertension and coronary vascular diseases are considered the main causes of new onset of erectile dysfunction. Other etiologies are common but not as common as vascular diseases, which account for 50% of all cases of erectile dysfunction occurs after 50 years of age.

The correct answer is E

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