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Vectorcardiographic changes during extended space flight (M093): Observations at rest and during exerciseThe objectives of Skylab Experiment M093 were to measure electrocardiographic signals during space flight, to elucidate the electrophysiological basis for the changes observed, and to assess the effect of the change on the human cardiovascular system. Vectorcardiographic methods were used to quantitate changes, standardize data collection, and to facilitate reduction and statistical analysis of data. Since the Skylab missions provided a unique opportunity to study the effects of prolonged weightlessness on human subjects, an effort was made to construct a data base that contained measurements taken with precision and in adequate number to enable conclusions to be made with a high degree of confidence. Standardized exercise loads were incorporated into the experiment protocol to increase the sensitivity of the electrocardiogram for effects of deconditioning and to detect susceptability for arrhythmias.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Smith, R. F.
(Vanderbilt Univ. Nashville, TN, United States)
Stanton, K.
(Naval Aerospace Med. Inst., Pensacola, Fla. Pensacola, Fla., United States)
Stoop, D.
(Naval Aerospace Med. Inst. Pensacola, Fla., United States)
Brown, D.
(Naval Aerospace Med. Inst. Nashville, TN, United States)
Janusz, W.
(Vanderbilt Univ. Nashville, TN, United States)
King, P.
(Vanderbilt Univ.)
Date Acquired
August 8, 2013
Publication Date
January 1, 1977
Publication Information
Publication: NASA. JSC Biomed. Results from Skylab
Subject Category
Aerospace Medicine
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.
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