Reliability and Physiological Interpretation of Pulmonary Gas Exchange by “Circulatory Equivalents” in Chronic Heart Failure

BackgroundPeak ratios of pulmonary gas‐exchange to ventilation during exercise (V˙O2/V˙E and V˙CO2/V˙E, termed “circulatory equivalents”) are sensitive to heart failure (HF) severity, likely reflecting low and/or poorly distributed pulmonary perfusion. We tested whether peak V˙O2/V˙E and V˙CO2/V˙E w...

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Detalhes bibliográficos

Principais autores:	Chunting Tan, Harry B. Rossiter, Janos Porszasz, T. Scott Bowen, Klaus K. Witte, William W. Stringer, Richard Casaburi, James E. Hansen
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Wiley 2018-04-01
coleção:	Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Assuntos:	cycle ergometry heart failure incremental exercise lactate threshold ventilatory compensation
Acesso em linha:	https://www.ahajournals.org/doi/10.1161/JAHA.117.008072
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