Supernumerary mitral valve producing subaortic stenosis.
نویسندگان
چکیده
A ten-year-old girl with severe subaortic stenosis was found to have relatively mature valvular endocardial cushion tissue (fibromyxomatous sheets with a chorda tendinea attached to a left ventricular papillary muscle) immediately beneath the aortic valve. This structure behaved like a valve mechanism, obstructing the left ventricular outflow tract during ventricular systole. This anomaly is an extreme on the spectrum of obstructive endocardial cushion malformations.
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ورودعنوان ژورنال:
- Chest
دوره 79 4 شماره
صفحات -
تاریخ انتشار 1981