Anomalous Origin of Left Coronary Artery Diagnosed by a Lung Scan

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Abstract
Anomalous origin of the left coronary artery from the pulmonary trunk is suspected with electrocardiographic evidence of myocardial infarction in patients with left ventricular failure and cardiomegaly; the diagnosis is made by selective angiography.1 , 3 Visualization of the myocardium on a lung scan in the case reported below provided the necessary information for the diagnosis before the patient's condition permitted catherization.Case HistoryA two-month-old girl, clinically normal at birth, was referred to our hospital after a two-week history of progressive dyspnea and nonproductive cough without fever. Clinical examination revealed cardiomegaly, a Grade 2 of 6 apical systolic murmur, dyspnea, tachypnea . . .