A 26-year-old woman presented to the cardiology clinic due to recurrent episodes of supraventricular tachycardia. The electrophysiology study showed focal atrial tachycardia originating from the crista terminals of the right atrium. The patient is referred for radiofrequency ablation of the focus. Which of the following nerves is at risk of injury during the procedure?

Question

Quizplus · Accepted Answer

Eductional Objective: On the right side of the heart, the right phrenic nerve travels within the pericardium and is at risk for injury during procedures involving the right atrium. During right atrial procedures, the right hemidiaphragm is elevated to recognize the right phrenic nerve.

A 26-Year-Old Woman Presented to the Cardiology Clinic Due to Recurrent