Study note

Ventricular septal defect: frequency and associations

THE CONTEXT

Ventricular septal defect is a congenital cardiac abnormality that may occur alone or within a more complex defect.

Feature	Details
Frequency	Ventricular septal defect is the most common congenital cardiac defect, occurring once in 500 live births.
Associations	The defect may be isolated or part of complex congenital heart disease.

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