Peak Performance - Investigations of respiratory disease - Transfer factor

4 important questions on Peak Performance - Investigations of respiratory disease - Transfer factor

What is the method for transfer factor?

Patient inhales a test mixture of 0.3% CO. The CO binds to hb. After a few breaths, the amount of CO is measured from exhaled air. A reduced uptake indicates lung disease.

What does the transfer factor measure?

The capacity of the lungs to undergo gas exchange.

When would gas exchange be impaired?

In patients with emphysema and fibrosis.
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What would you use the transfer factor test instead of and why?

Measuring arterial blood gases because it is painful and invasive

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