Atrioventricular septal defects


  • Atrioventricular (AV) septal defect is a combination of heart defects. These include a hole in the wall that separate the upper chambers of the heart (atrial septal defect), a single valve separating the upper and lower chambers of the heart (instead of two valves) and sometimes a hole in the wall separating the lower chambers of the heart (ventricular septal defect).

    Children who have no defect in the ventricle or only a small defect may have no symptoms.
    If the ventricular septal defect is large, infants may have difficulty breathing while they are eating, poor growth, a rapid heart rate, and sweating.
    The diagnosis is suspected based on a typical heart murmur that a doctor can hear through a stethoscope and is confirmed by echocardiography.
    Defects are repaired with surgery.

    (See also Overview of Heart Defects.)
    Atrioventricular septal defects account for about 5% of birth defects of the heart.


    Atrioventricular septal defects meaning & definition 1 of Atrioventricular septal defects.

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