Darrell Wilson
Publication Details
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Ultradian cardiac rhthms in surgical intensive care unit patients.
Psychosom Med. 1977 Nov-Dec; (6): 432-5
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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