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How is asthma diagnosed?

If your doctor suspects that you have asthma, they will assess your medical history, perform a physical examination and carry out breathing tests to measure your lung function. The types of breathing tests include spirometry, a commonly used test that measures the lungs' function; peak flow, which measures the rate of air exhalation; and methacholine challenge, which typically constricts the airways of asthmatic individuals.

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About this article

Author: Dr Idan Ben-Barak PhD, MSc, BSc (Med)
First answered: 17 Jul 2015
Last reviewed: 19 May 2018
Rating: 4.3 out of 5
Votes: 739 (Click smiley face below to rate)
Category: How to use an asthma spacer

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