Pilot Study for the Application of Low Power External Bioelectronic Devices in the Diagnosis of Bronchial Asthma.

this test measures how much air you can breathe in and out of your lungs, as well as how easily and fast you can then blow the air out of your lungs

test used to diagnose asthma where the patient breaths in methacholine

test that uses sound waves to measure how much resistance there is to the normal movement of air in and out of your lungs when you are breathing at rest

Measure the level of nitric oxide in parts per billion (PPB) in the air the patient slowly exhales