The mnemonic
The 5 Ts
What each word stands for
- TTetralogy of Fallot
- TTransposition of the great arteries
- TTruncus arteriosus
- TTricuspid atresia
- TTotal anomalous pulmonary venous connection
Why it matters clinically
A cyanotic newborn who does not improve with oxygen needs urgent echocardiography.
Where it stops being reliable
Leaves out other cyanotic lesions such as Ebstein's anomaly and pulmonary atresia.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.