
【Chris】評論
目的:量測anatomic dead space方式:受試者盡可能吸入純O2,然後穩定呼氣,同時持續測量呼出氣體中的N2含量。判讀:phase I=anatomic dead space,沒有N2phase II=dead space+ alveolar gasphase III=alveolar gasphase IV=很難通到氣的肺泡的氣The closing capacity (CC) is the volume in the lungs at which its smallest airways, the respiratory bronchioles, collapse...