2011, Dr. Sitesh R. Roy. All rights reserved.
PRICK/ SCRATCH TESTING
The prick/puncture test is used to confirm hypersensitivity to a wide variety of allergens. It is the most convenient and specific method for detecting IgE antibodies. This test is done on the surface of the skin. A tiny amount of allergen is scratched across or lightly pricked into the skin. If you have an allergy, the specific allergens that you are allergic to will cause a chain reaction to begin in your body.
NITRIC OXIDE MEASUREMENT
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Spirometry includes the use of pulmonary measurements made with a spirometer to evaluate airway obstruction, and if so, whether it is reversible with a bronchodilator. It is mandatory to diagnose and characterize asthma severity.
Spirometry is recommended:
At the initial visit
After treatment is initiated, and symptoms and peak expiratory flow have stabilized, to
document attainment of (near) "normal" airway function
At least once yearly to assess maintenance of airway function, regardless of medication (changes).
To evaluate the response to a change in therapy.