07.11.12 – Trabecular muscular ventricular septal defect: postero-inferior

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IPCCC Term TRABECULAR MUSCULAR VENTRICULAR SEPTAL DEFECT: POSTERO-INFERIOR

IPCCC Code 07.11.12

ICD-11 Code PENDING

Synonyms PENDING

Abbreviations PENDING

IPCCC Definition A congenital cardiac malformation in which there is a ventricular septal defect that opens to the right ventricle in the postero-inferior region of the trabeculated component of the ventricular septum.

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07-11-12 The anterior free wall of the right atrium and right ventricle have been removed to demonstrate a muscular ventricular septal defect along the postero-inferior aspect of the trabecular component of the ventricular septum. This ventricular septal defect is well away from the septal leaflet of the tricuspid valve and lies near the diaphragmatic aspect of the right ventricle. There are tendinous cords passing anterior to the defect and attaching to the inferior papillary muscle. Note the atrial septal defect and perimembranous ventricular septal defects that were previously repaired.

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