- spacemedicine
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space medicine
n.
The medical science that is concerned with the biological, physiological, and psychological effects of space flight on humans.
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Universalium. 2010.
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Universalium. 2010.
T wave alternans — (TWA) is a periodic beat to beat variation in the amplitude or shape of the T wave in an electrocardiogram (ECG or EKG). T wave of ECG TWA was first described in 1908. At that time, only large variations ( macroscopic TWA) could be detected.… … Wikipedia