Electrocardiogram of repaired tetralogy of Fallot and severe pulmonary valve regurgitation
Electrocardiogram of repaired tetralogy of Fallot and severe pulmonary valve regurgitation
Electrocardiogram from a patient with repaired tetralogy of Fallot and severe pulmonary valve regurgitation showing sinus rhythm, first degree atrioventricular block, and right bundle branch block (QRS duration 142 ms).