![]() The transport of O2 and CO2 in and out of the human body is a sequential phenomenon, and three processes occur in the body that assists with the ability to supply O2 and remove CO2.Įxternal Respiration: Lung ventilation and gas exchange facilitate the delivery of O2 into the blood and the elimination of metabolic by-products (CO2) produced by exerciseĬirculation: Responsible for the transport of O2 and CO2 The ability to perform physical exercise is dependent on the cardiovascular system's ability to deliver oxygen to the tissues and eliminate the metabolic by-products produced. It offers additional interpretive power over conventional stress testing and thus can lead to improved clinical decision-making and risk stratification in patients with cardiometabolic and respiratory disease. ![]() ![]() It can discriminate cardiovascular, ventilatory, and musculoskeletal limitations during exercise by monitoring disturbances in key variable responses such as oxygen, carbon dioxide, minute ventilation, and heart rate. ![]() It allows the determination of crucial prognostic variables and can distinguish pathophysiology not apparent at rest. Cardiopulmonary exercise testing (CPET) is a safe, non-invasive assessment of cardiorespiratory function. ![]()
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May 2023
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