Etymed
tetralogy
Definition
The study or classification of four related items or conditions
Clinical context
A 6-year-old child presents with cyanosis, clubbing, and a harsh systolic murmur. Imaging reveals four distinct cardiac abnormalities including pulmonary stenosis, ventricular septal defect, overriding aorta, and right ventricular hypertrophy. This classic combination of congenital heart defects is known as tetralogy of Fallot.
Mnemonic
Tetralogy of Fallot - Four defects in one condition