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  • Title: Mixed venous oxygen saturation in relation to cardiac output in myocardial infarction.
    Author: Muir AL, Kirby BJ, King AJ, Miller HC.
    Journal: Br Med J; 1970 Oct 31; 4(5730):276-8. PubMed ID: 4920225.
    Abstract:
    Mixed venous oxygen saturations derived from measurement of mixed venous oxygen tension were compared with dye dilution cardiac output determinations in 26 patients with acute myocardial infarction. Mixed venous oxygen saturation was greatly reduced in patients with shock or failure complicating myocardial infarction. The level of oxygen saturation correlated with cardiac output determinations. The measurement of mixed venous oxygen saturation, which is relatively simple and does not require elaborate equipment, should be an important aid to the rational treatment of patients with low output states complicating acute myocardial infarction.
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