A hypertensive patient comes for routine follow up. His EKG demonstrates a PR interval of 220 milliseconds. Which of the following drugs is most likely culprit for this EKG finding?

Question

Quizplus · Accepted Answer

The most likely culprit for this EKG finding is nifedipine. Pharmacologic agents that can lead to first-degree atrioventricular block include digoxin, calcium channel blockers such as nifedipine, amlodipine, verapamil, diltiazem and beta-blockers.

A Hypertensive Patient Comes for Routine Follow Up