A full-term male infant, birth weight 3.1 kg, was admitted, aged 48 hours with persistent cyanosis and a systolic murmur.
He had been known to have a systolic murmur since infancy, but no investigations were done.
On admission at the age of 2 months, the boy had no cardiac symptoms other than a systolic murmur at the upper right sternal border.
The third patient was referred for cardiac evaluation on the first day of life when a loud systolic murmur was heard.
There was clinical evidence of right ventricular hypertrophy, with an ejection systolic murmur of grade 3/6, a single second sound, and no continuous murmurs.
He had peripheral cyanosis, clubbing and a grade 1/6 systolic cardiac murmur at the left sternal border.
On examination, she was lethargic and had peripheral cyanosis, a grade 4/6 systolic cardiac murmur and mild left hemiparesis.
Venous waveforms in the inferior vena cava and ductus venosus are triphasic with peaks corresponding to maximum systolic velocity, maximum diastolic velocity and atrial systole.
