Relation of P-S4 interval to left ventricular end-diastolic pressure.

Reports have suggested that the interval between P wave onset and the fourth heart sound (P-S4 interval) reflects changes in left ventricular myocardial stiffness. We made simultaneous measurements of the P-S4 or atrial electrogram to S4 (A-S4) interval and left ventricular pressure in 19 patients w...

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Bibliographic Details

Published in:	Br Heart J
Main Authors:	Schapira, J N, Fowles, R E, Bowden, R E, Alderman, E L, Popp, R L
Format:	Artigo
Language:	Inglês
Published:	BMJ Publishing Group 1982
Subjects:	Research Article
Online Access:	https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC481133/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/7059403/ https://ncbi.nlm.nih.govhttps://doi.org/10.1136/hrt.47.3.270
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