A 50-year-old male visits the cardiologist for an EKG. Results indicate that he has no PR interval and a variable rate QRS with rhythm irregularity. Which of the following is the most likely diagnosis?

Question

Quizplus · Accepted Answer

Atrial fibrillation is characterized by no PR interval and a variable rate QRS with rhythm irregularity. Atrial tachycardia would typically have a consistent rate, sinus dysrhythmia would have variations in the rhythm but a consistent PR interval, and idioventricular rhythm would have a slow and consistent ventricular rate.

A 50-Year-Old Male Visits the Cardiologist for an EKG