Idiopathic hypertrophic subaortic stenosis. I. Interventricular septum during the systolic contraction.
作者信息
Kvam G
出版信息
Acta Radiol Diagn (Stockh). 1980;21(1):53-64. doi: 10.1177/028418518002100108.
PMID:7189634
Abstract
Biplane left ventricular cineangiographies in 4 patients with typical obstructive idiopathic hypertrophic subaortic stenosis (IHSS) and in control patients with normal left ventricles were analysed. In the protruding hypertrophic muscular interventricular septum of IHSS a markedly reduced shortening occurs in either direction during the systolic contraction. It does not bend towards the right ventricle. It is suggested that the septum of IHSS acts as a suspender during the systolic contraction, thereby accounting for the fast stroke volume ejection and the high ejection fraction of IHSS.
摘要
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