Deficient slowing of the heart among very heavy social drinkers.
Very heavy social drinkers demonstrated less slowing of their heart rate than controls while exhaling after a maximal inhalation. While this suggests defective autonomic control of the heart, clarification of the mechanism and significance of this reflex and its impairment must await sophisticated study.
D000328:Adult; D000368:Aged; D000428:Alcohol Drinking; D000437:Alcoholism / Q000503:physiopathology; D004562:Electrocardiography; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D008875:Middle Aged; D012119:Respiration / Q000187:drug effects; D012931:Social Environment