Anomalous origin of the left pulmonary artery from the ascending aorta in a patient with tetralogy of Fallot and "absent pulmonary valve".

The rare association of tetralogy of Fallot, rudimentary formation of the leaflets of the pulmonary valve, and anomalous origin of the left pulmonary artery from the ascending aorta is described in a two-month-old infant. The diagnosis was made by cardiac catheterisation and angiography.