Definition

Noun: A septal defect is a congenital (present from birth) abnormality or hole in the septum, the wall of tissue that normally separates the left and right chambers of the heart. This defect allows blood to flow abnormally between the chambers, which can affect the heart's efficiency.

Usage

The term "septal defect" is a medical noun used to describe a specific type of heart condition. It is most commonly modified by words specifying its location. * It is often preceded by adjectives like atrial or ventricular. * It is typically used in clinical, diagnostic, and patient education contexts.

Examples

• The echocardiogram confirmed the presence of a septal defect.
• A small septal defect may close on its own during infancy.
• Surgery is sometimes required to repair a large septal defect.

Advanced Usage

• "Ostium secundum atrial septal defect": A specific, common type of defect located in the central part of the wall between the heart's upper chambers (atria).
• "Perimembranous ventricular septal defect": A specific type of defect located near the heart valves in the wall between the lower chambers (ventricles).

Variants and Related Words

• Atrial Septal Defect (ASD): A defect in the septum between the heart's two upper chambers (the atria).
• Ventricular Septal Defect (VSD): A defect in the septum between the heart's two lower chambers (the ventricles).
• Atrioventricular Septal Defect (AVSD): A complex defect involving the septum between both the atria and the ventricles.
• Septum (n.): The wall, typically of tissue or cartilage, that divides a cavity or structure. In the heart, it separates the left and right sides.

Synonyms

• Cardiac septal defect
• Hole in the heart (a common, non-medical term)

Related Phrases

• Congenital heart defect: The broader category of heart conditions present at birth, which includes septal defects.
• Cyanotic heart defect: A type of congenital heart defect that causes low blood oxygen, which some large septal defects can lead to if untreated.

Noun

1. a congenital abnormality in the septum between the left and right sides of the heart