J-M. R. Detry, M.D.; R. A. Bruce, M.D., F.A.C.P.
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Maximal oxygen intake (VO2) and ECG responses to multistage treadmill test were determined before and after 3 months of physical training in 14 patients with coronary heart disease. Responses to 0.4 mg nitroglycerin sublingually were measured before training in 11 of these patients. The ST-segment responses were measured by computer averaging 100 beat samples.
After training maximal VO2 increased by 20.8% (P < 0.001), mainly by a greater maximal A-VO2 difference. At submaximal exercise heart rate, blood pressure, and pressure-rate product were lower after training and the ST segment less depressed (P < 0.05). At maximal exercise, however, heart rate
Detry JR, Bruce RA. Divergent Effects of Physical Training and Nitroglycerin in Coronary Heart Disease.. Ann Intern Med. 1971;74:819. doi: 10.7326/0003-4819-74-5-819_2
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Published: Ann Intern Med. 1971;74(5):819.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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