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Your lung function is measured (with a test called spirometry) before and after exercise to look for changes that are seen with EIB. It can also be used for people who have known asthma to look for exercise-induced asthma problems (EIA). This fact sheet describes the EIB exercise challenge.
An exercise challenge test can help determine if exercise triggers your asthma. During the test, you will exercise while your oxygen and heart rate are monitored. 1,2. Methacholine challenge. If you have asthma, methacholine is a drug that makes your airways tighten at a lower dose.
25 sty 2011 · Exercise induced asthma (EIA) is a transient increase in airway resistance after intensive exercise and can be measured as a decline in forced expiratory volume in one second (FEV1). The condition is due to increased training load and inhalation of cold and dry air.
7 gru 2022 · During an exercise challenge test, you run on a treadmill or use other stationary exercise equipment to increase your breathing rate. The exercise needs to be intense enough to trigger your symptoms. If needed, you might be asked to perform a real-life exercise challenge, such as climbing stairs.
14 wrz 2011 · Exercise is a natural challenge, with a high positive predictive value for asthma acting as trigger in up to 90% of asthma patients, particularly in children, and is the earliest sign of exacerbation and often the last to resolve.
1. The use of PC 20 /PD 20, including the choice of the highest FEV 1 value, is no longer arbitrary.
15 sie 2011 · Some are also equipped to perform indirect challenges, such as an exercise challenge test, which can accurately diagnose EIB. 9 In addition, indirect challenges can be performed with a...
