Atrioventricular septal defect
Atrioventricular Septal Defect (pronunciation: A-tree-o-ven-TRIK-yoo-lar SEP-tal de-FECT) is a congenital heart defect that involves a hole in the wall (septum) that separates the top chambers (atria) and the bottom chambers (ventricles) of the heart. It is also known as Endocardial Cushion Defect or AV Canal Defect.
Etymology
The term "Atrioventricular Septal Defect" is derived from the Latin words "atrium" and "ventriculus" which mean "entrance hall" and "little belly" respectively, and the Latin word "septum" which means "a partition or wall separating two cavities". The term "defect" is derived from the Latin word "defectus" which means "lack or want".
Related Terms
- Atrium: The two upper chambers of the heart.
- Ventricle: The two lower chambers of the heart.
- Septum: The wall that separates the left and right sides of the heart.
- Congenital Heart Defect: A problem with the structure of the heart that is present at birth.
- Endocardial Cushion: A structure in the developing heart from which the septum, the atrioventricular valves, and parts of the atria and ventricles develop.
See Also
External links
- Medical encyclopedia article on Atrioventricular septal defect
- Wikipedia's article - Atrioventricular septal defect
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