Carbon monoxide diffusing capacity

DLCO--DLCO/VA

THE DLCO INDICATES _____ REDUCTION OF GAS EXCHANGE, NORMALIZED BY CORRECTION OF VA.

DLCO	Severity
>120%	Increased
80~120%	Normal
61-79%	Mild
40-60%	Moderate
<40%	Severe

 

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THE DLCO INDICATES NORMAL GAS EXCHANGE.
THE DLCO INDICATES MILD REDUCTION OF GAS EXCHANGE.
THE DLCO INDICATES MODERATE REDUCTION OF GAS EXCHANGE.
THE DLCO INDICATES SEVERE REDUCTION OF GAS EXCHANGE.
POOR EFFORT.

**周: 如果DLCO下降，DLCO/VA正常，要加註NORMALIZED BY CORRECTION OF VA。

THE DLCO INDICATES MILD/MODERATE REDUCTION OF GAS EXCHANGE, NORMALIZED BY CORRECTION OF VA.