44.下列那些情況,一氧化碳瀰散量(diffusing capacity of the lung for carbon monoxide, DLCO)會上升?
(A)紅血球增多症(polycythemia)
(B)肺纖維化(pulmonary fibrosis)
(C)肺氣腫(pulmonary emphysema)
(D)肺栓塞(pulmonary embolism)
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統計: A(252), B(14), C(34), D(9), E(0) #3133331
統計: A(252), B(14), C(34), D(9), E(0) #3133331
詳解 (共 1 筆)
#6423251
一氧化碳瀰散量(diffusing capacity of the lung for carbon monoxide, DLCO)
藉由CO擴散肺泡 血紅素結合的能力 測氣體交換率
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(A) 紅血球增多症(polycythemia)血流變多 血紅素變多 能結合更多氣體➡️ DLCO上升
(B) 肺纖維化(pulmonary fibrosis)肺泡壁變厚➡️DLCO下降
(C) 肺氣腫(pulmonary emphysema)肺泡被破壞、數量降低➡️DLCO下降
(D) 肺栓塞(pulmonary embolism)血流被阻斷 沒有血紅素能交換氣體➡️DLCO下降
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