This tests measures the patency of the nasal passage and so potential obstruction of the nasal breathing.
This test is also used in the “nasal provocation test”.
Nasal provocation test
Particularly before a “Specific Immune Therapy”
(SIT / Hyposensibilisation) is initated a undoubted clinical relevance of positive results of allergy-skin-tests have to be proven. For this rhinomanometries are done before and afters nasal application of dissolved allergens.