ACC/AHA guideline summary: Exercise testing with ventilatory gas analysis

Class I - There is evidence and/or general agreement that exercise testing with ventilatory gas analysis should be performed in the following settings:

• To evaluate exercise capacity and the response to therapy in patients with heart failure who are being considered for heart transplantation.

• To assist in the differentiation between cardiac and pulmonary causes of exercise-induced dyspnea or impaired exercise capacity when the cause is uncertain.

Class IIa - The weight of evidence or opinion is in favor of the usefulness of exercise testing with ventilatory gas analysis in the following setting:

• To evaluate exercise capacity when indicated for medical reasons when estimated exercise capacity from exercise test time or work rate is unreliable.

Class IIb - The weight of evidence or opinion is less well established for the usefulness of exercise testing with ventilatory gas analysis in the following settings:

• To evaluate the response to specific therapeutic interventions when improvement in exercise tolerance is important goal or end point.

• To determine the intensity for exercise training as part of comprehensive cardiac rehabilitation.

Class III - There is evidence and/or general agreement that exercise testing with ventilatory gas analysis is not useful in the following setting:

• Routine use to assess exercise capacity.

ACC_AHA_gas_exchange_exerci.htm

Data from Gibbons RJ, Balady GJ, Bricker JT, et al. ACC/AHA 2002 guideline update for exercise testing: summary article: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Committee to Update the 1997 Exercise Testing Guidelines). Circulation 2002; 106:1883.

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ACC/AHA guideline summary: Exercise testing with ventilatory gas analysis