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You think the asthma. Perhaps you suffer from fatigue, cough, even when they have a cold difficulty breathing, wheezing, chest tightness, or runny nose and itchy throat. Although these symptoms, your doctor may you are a potential sign of asthma, they are not diagnostic. However, there are a number of tests your doctor orders. This article describes these tests to be better prepared for medical appointments.

Before your doctor orders more tests, however, he or she will get a complete picture of time you have problems with breathing or chest tightness. They may ask, whether these symptoms appear during certain times of the year, how often, and what seems to trigger them. They will also want to talk about your family history - both on asthma and allergies, as the two often go together.

A physical examination is then conducted to determine if there are visible signs of asthma that affects the respiratory tract. It's very simple. Your doctor will listen for wheezing sounds in the chest with a stethoscope. And for signs of skin allergy. To confirm the diagnosis, after all, they will be for a lung function test.

There are three key pulmonary function tests that your doctor can prescribe. They are tests of spirometry, challenge test and peak expiratory flow rate test. spirometry test is usually the first port of call. It is a simple test that measures how much air the lungs can breathe after taking a deep breath and exhale as quickly. The results show smaller than normal if there is inflammation of the airways - is a sign of asthma.

The provocation test is a variant of the foregoing. But instead of simply breathing in and out normally during the first inhalation of a substance that causes narrowing of airways in asthmatics. They inhale chemicals called methacholine and the test is designed to expose you to triggers that usually affects the asthmatics. It is therefore possible to have just to breathe the cold air, or to physical exertion (exercise some people suffer from asthma). Spirometer measure then expired. A normal reading dubious means of asthma.

peak flow test may be done instead of a spirometry test, although not as accurate. A peak flow meter is a handheld device that measures how fast you can exhale. The advantage of peak flow test is that it can be done at home, offering a series of lectures over a period of time. This can be particularly useful when other tests were inconclusive or negative.

In general, the tests required for a diagnosis of asthma are invasive and fast. If your doctor uses one or a combination of tests, there will always be a family affair, so it's a good idea to be prepared. And, fortunately, there are many treatments that help them better manage their asthma symptoms. So good, in fact, there are even world champion sports starts have asthma!