A 9-year-old girl with a ten-day history of palpitations was referred for the assessment of mitral regurgitation. She had had RF ablation for paroxysmal supraventricular tachycardia 5 years previously. Echocardiography showed isolated anterior mitral leaflet perforation. Surgical findings confirmed the echocardiographic assessment.

Marfan’s syndrome is one of several genetic connective tissue disorders that manifest cardiovascular abnormalities. Paroxysmal supraventricular tachycardia is not one of these manifestations. Address: Nationwide Insurance Enterprise, One Nationwide Plaza 1-24-04, Columbus, Ohio 432152220 Correspondence: Robert E. Frank, Jr., MD Medical Director

BACKGROUND Calcium infusion is used as a pre-treatment before calcium channel blockers to prevent hypotension. Occasional cardioversion with calcium gluconate infusion is seen in patients with paroxysmal supraventricular tachycardia. Several mechanisms have been suggested for mechanism. Herein we report a case presenting with atrial fibrillation but cardioverted with calcium gluconate infusion,...