Ventricular Septal Defect
photo and audio recording by Janelle Aby, MD interactive image provided by http://expand2web.com
Here is another example of perimembranous VSD. In this case, the harsh systolic murmur can be heard across the precordium, but again is loudest and most distinct along the left sternal border. This murmur, louder than the previous example, was graded 2-3/6. As with any VSD, infants should be followed for signs of congestive heart failure and SBE prophylaxis used until the defect closes. Although a perimembranous defect is less likely to close spontaneously than the small muscular variety, closure rates can still approach 50%.
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