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학습 자료 둘러보기 →| Option | Assessment Finding | Associated Condition | Pathophysiological Rationale |
|---|---|---|---|
| 2 | Purulent drainage from the external auditory canal | Otitis Externa | This finding suggests an active infection and inflammatory process of the external ear canal skin, not a simple blockage from wax. Purulent otorrhea is not a feature of uncomplicated cerumen impaction . |
| 3 | Perforation in the tympanic membrane | Tympanic Membrane Perforation | A perforation is a structural defect in the tympanic membrane itself. While it also causes conductive hearing loss, it is a distinct diagnosis from a canal obstruction. Critically, the presence of a perforation would be a contraindication for certain cerumen removal methods like irrigation [1]. |
| 4 | Fluid behind an intact tympanic membrane | Otitis Media with Effusion | This finding localizes the pathology to the middle ear space, beyond the tympanic membrane. Cerumen impaction would obscure this view, making this assessment impossible until the wax is removed. The primary purpose of cerumen removal in this scenario is to allow for this very assessment [1,4]. |
The primary diagnostic finding is direct visualization of a dark, waxy substance that completely occludes the external auditory canal, blocking the view of the tympanic membrane.
This physical blockage causes conductive hearing loss and a sensation of aural fullness by impeding sound wave transmission.
Do not mistake purulent drainage, which suggests otitis externa, for cerumen. Also, ensure the visualized mass is not a foreign body or tumor before initiating cerumen removal.
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