Diagnosis of Asthma
By making a correct diagnosis is it extremely important for appropriate treatment of asthma:
The diagnosis of asthma involved all of the following:
1. A detailed history
This includes a family history of asthma, allergies, hay fever, eczema suffers. If it is a child, there is a greater chance of developing any of the abovementioned if there is a family history.
For a child’s medical history it should include when the parent first notice the child developing breathing problem, history of nasal stuffiness, itchy eyes or eczema. These symptoms are common in accompanying asthma. It also should be noted if there is a history of recurrent or persistent cough followed by a cold. It should also be noted whether the cold is frequent or it is caused by seasonal change.
2. Physical examination
A doctor’s physical examination by listening to the lungs with a stethoscope and the nasal passages can diagnosis asthma.
3. Chest x-ray
An x-ray can by done once to exclude the possibility of breathing problems being cause by something other than asthma.
4. Blood test and sputum studies can by done to diagnosis asthma
5. Allergy prick skin testing
This can confirm the presence or absence of allergies
This a breathing test which measures the amount and rate at which air can pass through the airways. Young children are not recommended for this test as a certain amount of cooperation is required.
7. Challenge tests
This is a procedure used frequently in clinical laboratories to evaluate airway responsiveness by an exercise challenge tests and methacholine inhalation test.
Asthma symptoms can vary among individuals, meaning symptoms can become worse or improve over time. Therefore, a precise diagnosis cannot always be made immediately.