CARDIOPULMONARY EXERCISE TESTING
CARDIOPULMONARY EXERCISE TESTINGJOSEPHINE B. BLANCO-RAMOS, , FPCP,FPCCP,FACCPMEDICAL HEADPULMONARY DIAGNOSTIC & THERAPEUTIC CENTERTHE MEDICAL CITYOUTLINE Description of CPET Who should and who should not get CPET When to terminate CPET EXERCISE physiology Define terms: respiratory exchange ratio, ventilatoryequivalent, heart rate reserve, breathing reserve, oxygen pulse Patterns of CPET resultsKarlmanWasserman, MDSOURCES OF ENERGY FOR ATPDerangements of gas exchange in disease. MilaniR V et al. Circulation. 2004;110:e27-e31Copyright American Heart Association, Inc. All rights of External Ventilation and Cellular MetabolismWHY EXERCISE ? The goal of CARDIO-PULMONARY EXERCISE TESTING is to evaluate the physiologic response of the heart lungs and muscles to an increase in physical 50 year old, male, computer technician retired 10 years ago because of progressive dyspnea was a heavy cigarette smoker, but denies cough/phlegm/wheezing/chest pains recurrent pneumothoraxsecondary to multiple bullousdiseasePredicted Measured %PredFVC 39FEV1 40QUESTION 1: WOULD YOU CLEAR THIS PATIENT FOR PNEUMONECTOMY?
EXERCISE MODALITIES Advantages of cycle ergometer cheaper safer Less danger of fall/injury Can stop anytime direct power calculation Independent of weight Holding bars has no effect little training needed easier BP recording, blood draw requires less space less noise Advantages of treadmill attain higher VO 2
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