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Symptoms related to exercise represent a common diagnostic challenge for the medical practitioner. In many cases the cause of exercise limitations is obvious, and specific therapy can be initiated. However, diseases of the heart and lungs often coexist. The cardiologist points a knowing finger at the lungs. The pulmonologist points back at the heart, leaving the patient and the general internist confused. In steps the exercise physiologist to test the heart and the lungs as an integrated system and to define the relative contributions of heart, lungs, and ventilatory muscles to exercise limitation.
Recent advances have made such testing practical.
Cardiopulmonary Exercise Testing: Physiologic Principles and Clinical Applications.. Ann Intern Med. 1986;105:645. doi: https://doi.org/10.7326/0003-4819-105-4-645_1
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Published: Ann Intern Med. 1986;105(4):645.
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