Case 1/2015 A 76-year-old Male Patient with Ebstein Anomaly in Natural Course

Laboratory tests

Electrocardiogram (ECG) showed atrial fibrillation, signs of right ventricular (RV) diastolic overload, and left anterior superior hemiblock. Low-voltage QRS complex with qr morphology in V1; RS in V6, with final conduction disturbance in the right bundle branch. QRSA: – 70º, TA: + 30° ().

Chest radiograph showed moderately enlarged cardiac silhouette (cardiothoracic ratio: 0.61), resulting from enlarged right chambers. The pulmonary vascular network was slightly decreased, the arch of the pulmonary artery was concave, and the aortic knob was prominent. ().

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