Systolic ejection murmur along the left sternal border
Cyanosis worse during feeding and crying
May squat to relieve symptoms: increases afterload and decreases shunt
Acute respiratory distress (Tet Spells) due to increased right outflow tract obstruction
Chronic hypoxemia causes a compensatory polycythemia and clubbing of the fingers and toes
Tetralogy of Fallot
Seizure
Transposition of the great arteries
Breath-holding spell
Ebstein anomaly
Hyperventilation syndrome
Tricuspid atresia
Pregnancy 