Cardiopulmonary Exercise Testing: The ABC for the Clinical Cardiologist.

Background: Cardiopulmonary exercise testing (CPET) is the most comprehensive technique which allows a holistic approach to cardiopulmonary diseases. Summary: This article provides basic information addressed to the Clinical Cardiologist regarding the utility and the indications of the CPET technique in the everyday clinical practice. Clinical application of CPET continues to evolve and protocols should be adapted to each specific patient to obtain the most reliable and useful information. Key Messages: Clinical Cardiologists with an interest over CPET may become familiar with this exercise method and its main measured variables, refresh their knowledge regarding the underlying pathophysiological mechanisms of oxygen transport chain, learn how to interpret the CPET results and promote appropriate patient referrals to experts. [ABSTRACT FROM AUTHOR]