A patient has failure of the left side of his heart. Consequently, his blood is backing up into the pulmonary artery and seeping into the lung tissue, causing the patient to be short of breath and moderately hypoxic. The EMT should recognize this condition as a product of:

Pathophysiology is a medical science that studies how diseases affect the body's systems. It combines the study of pathology (the causes and effects of disease) and physiology (how the body's systems function).

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