Affiliation:
1. From the Division of Cardiology, Stanford University School of Medicine, and the Palo Alto-Stanford Hospital Coronary Care Unit.
Abstract
Central venous oxygen saturation (CVSO
2
) was measured in 31 patients with myocardial infarction. CVSO
2
correlated well with the patients' clinical course. In those patients not in heart failure, mean ±
sem
for CVSO
2
was 70 ± 1%. When heart failure was present, CVSO
2
averaged 56 ± 1%. When both heart failure and shock were present, CVSO
2
averaged 43 ± 1%. In nine patients, serial determinations of arterial oxygen saturation and CVSO
2
were made. In 22 of 26 instances, either a fall in CVSO
2
was accompanied by an increase in the arteriovenous oxygen saturation difference or an increase in CVSO
2
was accompanied by a decrease in arteriovenous oxygen saturation difference. Serial measurements of CVSO
2
appear to be a useful method of monitoring changes in myocardial function in patients with myocardial infarction.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Physiology (medical),Cardiology and Cardiovascular Medicine
Reference5 articles.
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3. Oxygen saturation of blood in the venae
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5. Differences in acid-base levels and oxygen saturation between central venous and arterial blood;WILSON R. F.;Lancet,1967
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