Document Detail


Evaluation of left ventricular performance during supine exercise by transoesophageal M-mode echocardiography in normal subjects.
MedLine Citation:
PMID:  7082515     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In order to evaluate left ventricular function during dynamic exercise transoesophageal M-mode recordings of the left ventricle were carried out with a newly developed transducer gastroscope system. Twelve healthy subjects performed a graded supine bicycle exercise test. Stable and good quality images of the left ventricle at rest and during exercise at different steps up to a maximum workload of 100 watts were obtained in all patients. Isotonic maximum exercise resulted in a significant increase in fractional shortening of the left ventricle, peak shortening rate, and peak lengthening rate of the left ventricular minor axis. Left ventricular end-diastolic dimension decreased significantly. With increasing workload the pressure rate product increased significantly. It is concluded that transoesophageal M-mode echocardiography is a useful method of evaluating left ventricular performance during dynamic exercise.
Authors:
M Matsumoto; P Hanrath; P Kremer; C Tams; B A Langenstein; M Schlüter; R Weiter; W Bleifeld
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British heart journal     Volume:  48     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1982 Jul 
Date Detail:
Created Date:  1982-08-26     Completed Date:  1982-08-26     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  61-6     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Echocardiography / instrumentation,  methods*
Female
Gastroscopes
Humans
Male
Physical Exertion*
Transducers
Ventricular Function*
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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