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SHORT REPORTS

Ambulatory oxygen in chronic heart failure

Ambulatory oxygen therapy may be of benefit in bicycle exercise tests. We have assessed the effects of ambulatory oxygen during walk tests in 12 patients with chronic heart failure. In 6 min walks with the patient breathing air, mean (SD) arterial oxygen saturation (SaO2) fell from 94·4 (3·7)% at rest to 90·1 (6·1)% (p=0·014) on exercise. 2 l/min oxygen increased resting SaO2 from 93·7 (4·0)% (air cylinder) to 96·5 (3·0)% (p

Ambulatory oxygen in chronic heart failure.

Ambulatory oxygen therapy may be of benefit in bicycle exercise tests. We have assessed the effects of ambulatory oxygen during walk tests in 12 patie...
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