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MCRT

MCRT- Gas diffusion tests

QuestionAnswer
Why is carbon monoxide used to measure the diffusing capacity? combines faster with Hb
All of the following factors would account for a decreased DLco in the absence of pulmonary disease decreased Hb, increased carboxyhemoglogin, decreased capillary blood volume
What is the only obstructive lung disease with a decreased DLco? emphysema
What is the normal value for DLco? (include correct units) 25 mlCO/min/mmHg
Briefly describe how you would coach a patient to perform a DLco test 1. blow everthing out (RV) 2. take as deep a breath as possible 3. hold breath for 10 seconds 4. exhale forcefully and completely
A single breath DLco test would require which gases? 0.3% CO and an Inert gas
Created by: smiddleton
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