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Nitric Oxide Test

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NITRIC OXIDE TEST DEFINITION

A nitric oxide test is an exhaled test for asthma. It helps measure the nitric oxide gas in your breath, which may indicate a occurrence of asthma.

NITRIC OXIDE TEST PURPOSE

A nitric oxide test is done to confirm or rule out asthma in patients who are showing signs for it. Elevated levels of nitric oxide gas in your breath could be an indication of inflamed airways, which is a sign of asthma. This test may also be ordered to see how well asthma medications are working in controlling the symptoms.

NITRIC OXIDE TEST RISKS

There are no known risks for a nitric oxide test. It is considered generally safe.
NITRIC OXIDE TEST
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NITRIC OXIDE TEST PREPARATION REQUIRED

Before a nitric oxide test, you should consult your doctor for any special instruction regarding your asthma medications and other drug intake. You may also be given orders regarding your food and drug intake, exercise routines, smoking, and toothpaste and mouthwash use.

NITRIC OXIDE TEST PROCEDURE

During a nitric oxide test, you will be asked to breath into a mouthpiece that is attached to a tube, leading to an electronic device. You will be asked to hold inhale and hold it for two to three second until your lungs are filled with air. After that, you will exhale into the mouthpiece steadily. You need to go through that process a couple of times to confirm that results are consistent.

NITRIC OXIDE TEST COMPLICATIONS

There are no complications to undergoing a nitric oxide test.

NITRIC OXIDE TEST SIDE EFFECTS

No side effects have been reported related to the nitric oxide test.

NITRIC OXIDE TEST RESULTS

A higher than normal levels of nitric oxide gas in your breath does not mean you already have asthma. It just means you have breathing disturbances, which could be caused by other things. An inflammation of your airways is a sure sign of asthma but to confirm whether or not you have the condition, several tests will be ordered such as spirometry and peak flow test. They will be needed to measure how well your lungs are working and how healthy it is as well. Your other asthma signs and symptoms may also be discussed.
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