This case report highlights the rare occurrence of bacterial endocarditis directly involving a subaortic membrane and its preoperative detection via echocardiography.
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Alerts clinicians to rare endocarditis on subaortic membranes; extends case literature but leaves open systematic risk assessment.
A subaortic membrane predisposes to bacterial endocarditis usually affecting the aortic valve and left ventricular outflow tract. Endocarditis involving the subaortic membrane itself has been described twice only; once at operation and once at postmortem. The case of a man with vegetations involving a subaortic membrane that were detected preoperatively and the echocardiographic appearances of these findings are reported.
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Pentousis et al. (1996) studied this question.
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