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Asthma Care

Baylor University Medical Center at Dallas

 
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Lung Volume Test 

A lung function test, called spirometry (spy-rom-e-tree), is another way to diagnose asthma. A spirometer (spy-rom-e-ter) measures the largest amount of air you can exhale, or breathe out, after taking a very deep breath. The spirometer can measure airflow before and after you use asthma medicine.