Assessment of right and left ventricular volumes during upright exercise in normal men

Ventricular volumes were measured in 10 normal subjects by using two independent methods: the stroke volume was obtained by the Fick principle and the ejection fraction by multigated radionuclide angiography. Data were collected at rest in the supine and upright positions and during an upright exerc...

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Bibliographic Details
Published in:European heart journal 1982-12, Vol.3 (6), p.529-536
Main Authors: WYNS, W., MELIN, J. A., VANBUTSELE, R. J., DE COSTER, P. M., STEELS, M., PIRET, L., DETRY, J.-M. R.
Format: Article
Language:English
Subjects:
Adult
Cardiac Output
ejection fraction
Heart - diagnostic imaging
Heart Function Tests - methods
Heart Rate
Humans
Male
maximal exercise
multigated equilibrium
Physical Exertion
radionuclide angiography
Radionuclide Imaging
Reference Values
Space life sciences
Stroke Volume
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Summary:Ventricular volumes were measured in 10 normal subjects by using two independent methods: the stroke volume was obtained by the Fick principle and the ejection fraction by multigated radionuclide angiography. Data were collected at rest in the supine and upright positions and during an upright exercise test, which included three levels of increasing severity. The left and right ventricular end-diastolic volumes (EDV) were maximal in the supine posture (respectively 183 and 260 ml); at rest both were significantly lower in the upright position (158 and 220 ml). At maximal exercise, the ventricular end-diastolic volumes were similar (left EDV=147 ml) or slightly lower (right EDV= 178 ml) than at rest in the upright position. During upright exercise, the end-systolic volumes (ESV) gradually decreased (P
ISSN:0195-668X
1522-9645
DOI:10.1093/oxfordjournals.eurheartj.a061348