Pentalogy of Fallot

The pentalogy of Fallot is a variant of the more common tetralogy of Fallot, comprising the classical four features with the addition of an atrial septal defect or patent ductus arteriosus The five features therefore are:

1. ventricular septal defect (VSD)
2. right ventricular outlfow tract narrowing or complete obstruction
3. right ventricular hypertrophy
4. over riding aorta
5. atrial septal defect (ASD) or patent ductus arteriosus (PDA)

Article Author : Dr Frank Gaillard, Radiopaedia


1. Topol Eric J. and Robert M. Califf. Textbook of cardiovascular medicine. Lippincott Williams & Wilkins, 2007. ISBN: 0781770122, 9780781770125.

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