Abstract
A nine-year old boy presented following a chest x-ray for COVID-19 infection that showed cardiomegaly. Transthoracic echocardiogram revealed a large atrial septal defect, dilated right heart, and normal function. Surgical repair was performed eight weeks after his COVID diagnosis. After weaning from cardiopulmonary bypass, pulmonary artery pressures were 2/3 systemic and ectopy was seen, requiring inotropes, nitric oxide, lidocaine, and amiodarone. He was discharged on postoperative day (POD) 5. On POD 6, he presented with acute right foot ischemia. Computed tomography showed a large aortic thrombus, requiring emergent thrombectomy. Coagulopathy workup was negative. Cardiac magnetic resonance imaging (CMR) and catheterization showed reduced biventricular function and diastolic dysfunction. Diuretics and β blockers were started, with gradual improvement in left ventricular systolic function.
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