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학습 자료 둘러보기 →| Assessment Finding | Underlying Mechanism | Clinical Priority Rationale |
|---|---|---|
| CSF drainage from the ear canal (Option 1) | Dural tear secondary to temporal bone fracture, creating a CSF-cutaneous fistula. | Highest priority. This finding represents a direct conduit for pathogens to enter the central nervous system, carrying a significant risk of life-threatening meningitis [4]. A systematic review on pediatric BSFs similarly identifies CSF leak as a primary complication requiring prompt management to prevent debilitating outcomes . |
| Mild hearing loss in the affected ear (Option 2) | Hemotympanum, ossicular chain disruption, or cochlear concussion from the blunt force. | Secondary concern. While indicative of significant injury to the auditory apparatus, conductive or sensorineural hearing loss is not immediately life-threatening. It requires follow-up audiological evaluation but does not pose an acute risk of neurological deterioration. |
| Tinnitus and ear pain (Option 3) | Direct trauma to the tympanic membrane, middle ear structures, or labyrinthine concussion. | Secondary concern. These are expected symptoms following ear trauma and reflect local tissue injury. Pain and tinnitus are distressing but do not independently signal an intracranial emergency. |
| Swelling and bruising around the external ear (Option 4) | Soft tissue contusion and hematoma formation in the auricle and periauricular tissue (e.g., "cauliflower ear" precursor). | Lowest priority. This finding is consistent with external soft tissue injury. Without other signs of deeper fracture, it is a localized concern managed with cold application and monitoring. |
Recognize CSF otorrhea as a medical emergency indicating a direct pathway for ascending infection and meningitis. Never attempt to block or pack the ear canal; this increases intracranial pressure and infection risk.
Place a loose sterile gauze pad under the ear to collect drainage. Observe for the halo sign (a clear ring around blood on gauze) to confirm CSF. Maintain strict aseptic technique.
Do not insert instruments or suction the ear. Instruct the client to avoid coughing, sneezing, or blowing their nose. Report drainage amount and color changes immediately; clear fluid turning pink-tinged or persistent drainage lasting over 24 hours requires urgent neurosurgical evaluation.
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