Health

What is EFR?

The purpose of a Pulmonary Function Tests (PFT) is to diagnose or monitor a respiratory disease like asthma, chronic obstructive pulmonary disease (COPD) or cystic fibrosis. An EFR is also used to assess the impact of certain surgeries, may impair lung function.

Conduct of the examination

The patient is seated, his blocked nose pliers. He must then blow as quickly and as hard as possible through a disposable mouthpiece placed in the mouth. This tip is connected to a device called a spirometer. The results are stored as encrypted data processed by a computer, and curves displayed on the screen. All the results can then be printed and analyzed. They will be compared with a reference person – the same sex, same size, same age … – with a normal breathing capacity.

The review also includes an analysis of blood gases and in the case of walk tests, tests of efforts on bicycling, a measurement of the diffusion of carbon monoxide …

Potential risks of the EFR

There is no risk in the practice of EFR. It is not necessary to fast for this review. However, it is recommended to avoid smoking (of course!) and take drugs like bronchodilators within 4 hours before the exam.

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