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Introduction Integral to the system of pulmonary gas exchange are mechanisms to maintain matching of pulmonary perfusion and alveolar ventilation, known as ventilation / perfusion matching . The goal is that alveolar oxygen and pulmonary capillary blood have intimate contact…
Key Points Understanding the movement and maintenance of a volume of gas in and out of the lungs forms the basis of pulmonary physiology. Maintenance of functional residual capacity (FRC) is vital to adequate lung mechanics and gas exchange. There…