Allen M. Dekelboum, MDPressure: Vol 27 # 3, May/June 1998 One of the most frustrating conditions which appear to otolaryngologists all over the world is the sudden onset of unexplainable sensori-neural hearing loss (ISSNHL). Approximately 4000 cases are reported each year in the United States, with about 15,000worldwide. Most have no identifiable cause. The natural...

This most often involves the frontal or maxillary sinuses and the pressure differential usually causes the lining of the sinuses to become swollen and bleeding can ensue.Nosebleed is a common event with diving and can be caused by negative pressure within the mask or from pressure change after ascent. Dull aching is present and treatment...

Temporary Dysfunction Middle Ear Barotrauma Clinical Presentation This usually starts as a fullness or pressure that gets worse as the diver descends and improves on rising in the water. Pain ensues as the pressure differential rises or unless the diver is able to equalize. Some conductive hearing loss is present and there may be tinnitus...

Ringing in the ears or ‘tinnitus’ (pronounced with the accent on the ‘tin’) is one of the most prevalent and bothersome of symptoms related to diving. Tinnitus may be caused by damage or disease, anywhere along the path of the auditory system.Tinnitus is the perception of sound when no external sound is present; and is...

Paranasal Sinus Barotrauma This most often involves the frontal or maxillary sinuses and the pressure differential usually causes the lining of the sinuses to become swollen and bleeding can ensue. Paranasal sinuses Nosebleed is a common event with diving and can be caused by negative pressure within the mask or from pressure change after ascent...