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Acute improvement in left ventricular systolic function with chronic intermittent hypoxemia.
Because chronic hypoxemia has been shown to impair left ventricular systolic function, myocardial perfusion, and exercise capacity, we designed this study to examine whether a similar impairment in systolic function, myocardial perfusion, or exercise capacity was present in acute hypoxemia. At peak and submaximal exercise in 10 patients with COPD referred for cardiac rehabilitation, sy 50e0806aeb kelwe