To help CPR practitioners to remember the order of the procedural steps, the acronym ABC was taught to stand for Airway, Breathing, Circulation. In 2010, the order of the steps was changed to Circulation, Airway, Breathing, so the acronym is now CAB.
The Itching is usually due to a disturbance in the skin of the external auditory canal. Ear canal skin is very sensitive. The slightest accumulation of debris, even a dead hair, may be felt as an itching sensation. Often, dryness in the ear is what causes inner ear itching.
1 Infections: Labyrinthitis usually occurs after a bacterial or viral infection, such as mumps. An infection of the ear or upper respiratory tract, may spread and cause infection and inflammation in the inner ear.  Diseases: Tumors in the inner ear or problems with blood supply may also cause labyrinthitis.