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Pulmonary Function Tests:
  Spirometry
Body Box
Lung Volumes
Diffusing Capacity
Special Studies
Arterial Blood Gas
Instructions
Location
 

Pulmonary Function Testing

Diffusing Capacity

The diffusing capacity of the lungs (DLCO) measures how well gases such as oxygen move from the lungs into the blood. The most common way to measure the DLCO is the ten-second single-breath-hold technique. If you cannot hold your breath for 10 seconds, it will be difficult for you to perform the test.

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