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Atrioventricular septal defect

{{{Name|Atrioventricular septal defect}}}
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Atrioventricular septal defect (AVSD) is characterized by a deficiency of the atrioventricular septumof the heart. It is caused by an abnormal or inadequate fusion of the superior and inferior endocardial cushions with the mid portion of the atrial septumand the muscular portion of the ventricular septum.

If there is a defect in this septum, it is possible for blood to travel from the left side of the heart to the right side of the heart, or the other way around. Since the right side of the heart contains venous blood with a low oxygen content, and the left side of the heart contains arterial blood with a high oxygen content, it is beneficial to prevent any communication between the two sides of the heart and prevent the blood from the two sides of the heart from mixing with each other.

Inhaltsverzeichnis

  • 1 Diagnosis
  • 2 Treatment
  • 3 External links
  • 4 See also

Diagnosis

VSDs can be detected by cardiac auscultation, they cause atypical murmurs and loud heart tones. Confirmation of findings from cardiac auscultation can be obtained with a cardiac ultrasound(echocardiography) (less invasive) and cardiac catheterization(more invasive).

Treatment

Treatment is surgical. Open surgical procedures require a heart-lung machineand are done with a median sternotomy. Percutaneous endovascularprocedures are less invasive and can be done on a beating heart, but are only suitable for certain patients.

External links

  • Atrioventricular Septal Defect informationfrom Seattle Children's Hospital Heart Center

See also

  • Atrial septal defect
  • Congenital heart disease
  • Heart
  • Heart sounds
  • Pulmonary hypertension
  • Ventricular septal defect
Image:Heart diastole.png This cardiovascular systemarticle is a stub. You can helpWikipedia by expanding it.
de:Atrio-ventrikulärer Septumdefekt

nn:Atrioventrikulær septumdefekt

Retrieved from "http://en.wikipedia.org/Atrioventricular_septal_defect"



This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Atrioventricular+septal+defect Wikipedia article Atrioventricular septal defect.

 
  All text is available under the terms of the GNU Free Documentation License