Other tests are often required to ensure there are not other underlying conditions that are affecting your breathing. This can help to confirm a diagnosis of asthma:
| Blood samples | Chest x-ray | Skin prick test | Electrocardiograph (ECG) |
|---|---|---|---|
 |
 |
 |
 |
| Blood test are done – mainly to check for other underlying conditions | A chest X ray – to check for other underlying conditions | Allergy tests | Tests of the heart may be necessary, such as a heart trace (ECG) |
These tests are done because asthma can be combined with other illnesses or other disease symptoms could be similar. The diagnosis of asthma is sometimes confirmed with a ‘trial of asthma treatments’ to see if you definitely have asthma and they help your symptoms.
