Localizing Infarcts On a 12-Lead EKG

Ventricular septal defect . Occurs in 1-3% of post MI patients, 1-10 days post MI. Causes 5% peri-infarct deaths. If anterior MI, VSD usually in apical septum. If inferior MI, defect located on basal inferior septum (worse outcome/more difficult to repair) Associated with new pansystolic murmur and occasionally thrill. Can detect shunt with step-up ................
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