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Back to Cardiovascular Diseases
Ventricular septal defect (VSD)
There are 4 morphological types
1. Membranous
2. Muscular:
3. Inlet defect close to the tricuspid valve.
4. Outlet defect close to the pulmonary valve.
Clinically a loud pansystolic murmur maximal at the
left sternal border called Roger's murmur is usually present.
Treatment
VSDs are usually treated by pediatricians.
In children the corrective surgery is done if the
pulmonary blood flow exceeds 1.5X systemic flow and is contraindicated
if pulmonary vascular resistance exceeds 70% of systemic resistance. Ideally
it is done between the ages of 3-6 yrs.
surgery is indicated in the following:
- infective endocarditis > once
- flow causes left ventricular dysfunction
- AI develops due to VSD right below aortic cusp.
In adult life medical treatment may include infective
endocarditis prophylaxis and treatment of congestive heart failure.
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