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Determination of cardiac size from chest roentgenograms following Skylab missionsThe majority of crewmembers who exhibited postflight decreases in the cardiac silhouette size also showed a decreased orthostatic tolerance to lower body negative pressure. Similar findings were also reported by the Soviet investigators following 30-day bedrest studies and in cosmonauts upon return from space missions. Further radiological data from all three Skylab manned missions are presented and the physiological factors possibly involved in the cardiac silhouette changes are discussed.
Document ID
19770026875
Document Type
Other
Authors
Nicogossian, A. E.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Hoffler, G. W.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Johnson, R. L.
(USAF Academy Colorado Springs, Colo., United States)
Gowen, R. J.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1977
Publication Information
Publication: Biomed. Results from Skylab
Subject Category
Aerospace Medicine
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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