Computerized detection of the lactate threshold in coronary artery disease

A computer program for identifying oxygen consumption at the lactate threshold was evaluated by expired gas analysis during treadmill exercise testing in 15 patients with prior myocardial infarction. There was a strong correlation (r = 0.85, p < 0.001) between computer-identified oxygen consumpti...

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Published inThe American journal of cardiology Vol. 57; no. 13; pp. 1088 - 1091
Main Authors Eldridge, Joan E., Giansiracusa, Richard F., Jones, Richard H., Hossack, Kenneth F.
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Inc 01.05.1986
Elsevier
Subjects
Adult
Biological and medical sciences
Carbon Dioxide - analysis
Cardiology. Vascular system
Coronary Disease - complications
Coronary Disease - diagnosis
Coronary heart disease
Exercise Test
Heart
Humans
Lactates - blood
Male
Medical sciences
Middle Aged
Myocardial Infarction - complications
Oxygen Consumption
Respiration
Human
Acid base balance
Lactates
Computerized processing
Cardiovascular disease
Oxygen consumption
Pulmonary ventilation
Metabolism
Coronary heart disease
Blood
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Summary:A computer program for identifying oxygen consumption at the lactate threshold was evaluated by expired gas analysis during treadmill exercise testing in 15 patients with prior myocardial infarction. There was a strong correlation (r = 0.85, p < 0.001) between computer-identified oxygen consumption (14.1 ± 4.6 ml/kg/min) and the oxygen consumption (14.6 ± 4.8 ml/kg/min) corresponding to an increase of arterial lactate level to above the normal value at rest (1.3 m M). The computer program was superior to previously described visual methods for identifying the ventilatory threshold.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0002-9149
1879-1913
DOI:10.1016/0002-9149(86)90679-X