CPEX Indications and Interpretations

Basic Guide in CPEX Basic Guide in CPEX InterpretationInterpretation

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Indications for CPEX

• Evaluation for exertional dyspnea

• Development of an exercise prescription

• Direct measurement of peak O2 consumption per unit time

• Risk stratification and prognosis in heart failure

• Assess the results of medical and surgical therapies

Indications

• Evaluation of exercise intolerance and unexplained dyspnea

• Functional impairment• Exercise limitation --

determination of factors and pathophysiologic mechanisms

• Assessing contribution of cardiac and pulmonary causes in coexisting disease

• Symptoms disproportionate to resting pulmonary and cardiac tests

Indications

• Evaluation of patient with respiratory disease

• Assessment of functional impairment

• Detection of gas exchange abnormalities

• Determination of magnitude of hypoxemia for O2 Rx

• Evaluation of therapeutic interventions

Specific clinical applications

• Pre-op evaluation for LVRS/lung resection surgery

• Exercise Rx for pulmo rehab

• Evaluation of impairment disability

• Health promotion (wellness)

ALGORITHM

Eschenbacher, et. Al.

Chest 1990