EAR & THROAT PATHOPHYSIOLOGY

Exostoses are?

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Terms in this set (12)

bony swelling in the external ear canal

Otitis externa is?

inflammation / infection of the skin of the EAC, the auricle (pinna) or both

infection --> inflammation --> oedema & pus --> poor drainage (building up of wax)

_________________ is the most common form of OE, and is typically seen in _____________

acute diffuse OE, swimmers

Chronic OE is the same as acute diffuse OE but over ________ duration.

Eczematous OE involves various ________ conditions eg. latex allergy from hearing aids

Necrotising (malignant) OE is an ______________ that extends into the deeper ____________ adjacent to the EAC.

infection, tissues

Swimming, hot humid weather, excessive cerumen, narrow canal can all cause _________________ (excess buildup of fluid) and ___________ of the skin.

Absence of _________ due to repeated water exposure or over cleaning the ear canal can cause OE.

Main sign of OE is ________ on palpation of the tragus (anterior to ear canal) and traction to the pinna

Trauma such as alteration of ____ of the ear canal can cause OE