問題詳情

22.下列檢查數值何者無法協助鑑別stridor與tracheomalacia診斷?
(A)FEF 50 (forced expiratory flow at 50% VC)
(B)FIF 50 (forced inspiratory flow at 50% VC)
(C)FEF 25-75 (forced expiratory flow between 25%~75% VC)
(D)FEF50/FIF ratio

參考答案

無參考答案

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