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posted by  babybenz on 4/22/2008 1:36:49 PM  |  status: Live  

pathophysiology

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D is a 16 yr old high school student who is in the sports clinic prior to beginning of baseball practice,has no medical history.Assesment reveals he gets 'winded' earlier than most boys on the team.He attributes this to needing to get in better shape.The physical exam is unremarkable except for a grade III systolic murmur heard over the entire precordium.An echocardiogram and cardiac cath reveals a ventricular septal defect (VSD) with moderate pulmonary hypertension.
Q1 A VSD is usually an acyanotic defect. Why is this ?
Q2 What is the mechanism and significance of pulmonary hypertension?
Q3 What other disorders besides VSD can produce a systolic murmur?How can character of the murmur and pattern of radiation be used to differentiate among these etiologic factors?
Q4 Is it necessary to close a VSD?What are the common complications of untreated VSD?

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