Non-invasive observations on initial low frequency vibrations of the first heart sound--correlation with the 'presystolic' murmur in mitral stenosis.

The initial low frequency component of the first heart sound, 'M', has been studied in normal subjects, and in patients with vario-s prosthetic mitral valves and with mitral stenosis, using simultaneous low frequency phonocardiography, echocardiography, and apex cardiography. The techniques showed '...

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Bibliografiske detaljer

Udgivet i:	Br Heart J
Principais autores:	Armstrong, T G, Mitha, A S, Matisonn, R E, Weir, E K, Chesler, E
Format:	Artigo
Sprog:	Inglês
Udgivet:	BMJ Publishing Group 1978
Fag:	Research Article
Online adgang:	https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC483480/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/687472/ https://ncbi.nlm.nih.govhttps://doi.org/10.1136/hrt.40.7.750
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