Isolated cardiac sarcoidosis: critical role of cardiac MRI for diagnosis and management

A 49-year-old female was referred for further evaluation of exercise-induced symptomatic 2nd degree 2 : 1 atrioventricular (AV) block (Mobitz type 2, Panel A ). Several days of telemetric surveillance confirmed intermittent AV block but did not reveal evidence of any other arrhythmias. Coronary angiography showed normal coronary arteries. However, despite overall normal …