Fig. 1From: Evaluation using a four-dimensional imaging tool before and after pulmonary valve replacement in a patient with tetralogy of Fallot: a case reporta Electrocardiogram. Electrocardiogram showed wide QRS tachycardia (199 msec) with 180 beats/minute. b Echocardiograph. Echocardiograph revealed severe pulmonary regurgitationBack to article page