Why the study?
Does purposeful hyperventilation impair myocardial O2 supply in patients with ischemic coronary heart disease?
Population
13 patients with ischemic coronary heart disease
Design
Case_series
Follow-up
7 minutes
Authors
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May caution against hyperventilation in ischemic heart disease; leaves open confirmation in controlled studies.
Does purposeful hyperventilation impair myocardial O2 supply in patients with ischemic coronary heart disease?
Hyperventilation impairs myocardial oxygen supply in ischemic heart disease via coronary vasoconstriction and increased oxygen affinity of blood.
Neill et al. (1975) studied this question.
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