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Article: Ventilatory limitation in exercise.(PULMONARY FUNCTION TESTING)
- Article from:
- FOCUS: Journal for Respiratory Care & Sleep Medicine
- Article date:
- May 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 Focus Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Cardiopulmonary exercise testing traces its roots to the development of personal computers and the ability to integrate data from flow sensors and gas analyzers to measure not only ventilation (VE) but oxygen consumption (VO2) and CO2 production (VCO2). Many modern exercise laboratories include equipment to monitor exhaled gases, often in the breath-by-breath mode. It is somewhat surprising that in spite of the ability to assess breathing during exercise, oftentimes it is not measured.
Why measure ventilation during exercise?
There are several traditional reasons why measuring ventilation during exercise is important. For patients who present with ...