A 60-year-old patient was diagnosed with persistent atrial fibrillation associated with rapid ventricular response. The patient was referred for radiofrequency ablation, to ablate the ectopic foci at the pulmonary veins ostia. The patient was accessed through femoral vein to reach the left atrium the catheter will pass through which of the following?

Question

Quizplus · Accepted Answer

Eductional Objective: Cardiac venous catheters must pass the interatrial septum at the foramen ovale to reach the left side of the heart. Direct assessment of left atrial pressure and access to ectopic foci on the left atrial myocardium or pulmonary veins ostia could be done through this procedure.

A 60-Year-Old Patient Was Diagnosed with Persistent Atrial Fibrillation Associated