Acute effects of cigarette smoking on the heart rate variability of taxi drivers during work
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TL;DR
Nighttime smoking seemed to have a more potent acute effect on the cardiac modulation of taxi drivers than in the daytime, and the sympathomimetic and parasympatho-withdrawal response of smoking may play an additional role in increasing cardiac risk among taxi drivers.
Abstract
Cigarette smoking significantly increased LF/HF within 5 minutes during ordinary taxi driving. Nighttime smoking seemed to have a more potent acute effect on the cardiac modulation of taxi drivers than in the daytime. The sympathomimetic and parasympatho-withdrawal response of smoking may play an additional role in increasing cardiac risk among taxi drivers.
