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Asthma Care

Baylor University Medical Center at Dallas

 
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Cardiopulmonary Exercise Test 

Cardiopulmonary exercise testing (CPET): This computerized test provides a breath-by-breath analysis of respiratory gas exchange and cardiac function at rest and during a period of exercise, the intensity of which is increased incrementally until symptoms limit testing. Information on airflow,O2 consumption, CO2 production, and heart rate are collected and used for computation of other variables; ABGs may also be sampled. Exercise is done on a treadmill or on a bicycle ergometer; the ergometer may be preferable because work rate can be directly measured.