Bronchial challenge test
Bronchial Challenge Test
The Bronchial Challenge Test (pronunciation: bron-kee-al chal-inj test) is a medical procedure used to diagnose and monitor certain respiratory conditions, particularly asthma.
Etymology
The term "Bronchial" is derived from the Greek word "bronkhos," meaning windpipe, and "Challenge Test" is a term used in medicine to describe a test that challenges the body's response to certain stimuli.
Procedure
The Bronchial Challenge Test involves the inhalation of a substance that causes the bronchi to constrict or narrow. This is usually a medication such as Methacholine or Histamine. The patient's lung function is then measured using a device called a spirometer. If the bronchi constrict significantly, it indicates that the patient may have asthma or another respiratory condition.
Related Terms
- Asthma: A chronic condition that causes inflammation and narrowing of the bronchial tubes.
- Bronchi: The main passageway into the lungs.
- Methacholine: A medication used in the Bronchial Challenge Test to cause bronchial constriction.
- Histamine: A compound that is released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.
- Spirometer: A device used to measure lung function.
See Also
External links
- Medical encyclopedia article on Bronchial challenge test
- Wikipedia's article - Bronchial challenge test
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