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Psychosomatic Medicine, Vol 39, Issue 6 432-435, Copyright © 1977 by American Psychosomatic Society
ORIGINAL ARTICLES |
DM Wilson, DF Kripke, DK McClure and AG Greenburg
Several reports have suggested that heart rate may be regulated by an ultradian biological rhythm with a period of about 90--100 min. Blood pressure and heart rate were collected from 10 Surgical Intensive Care patients at 5-min intervals and analyzed by computer. No 90-min rhthms were found, indicating this rhythm has no significant influence on heart rate or blood pressure in postsurgical patients.
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