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External ear trauma Screenshot_20220510_075905 - Coggle Diagram
External ear trauma 
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Diagnosis
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Imaging study such as MRI, so the provider can see pictures of the inner ear.
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Prevention
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Getting special earplugs, chewing gum or yawning to reduce pressure
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Pathophysiology
Injuries to the external ear may be open or closed. Blunt external ear trauma may cause a hematoma (otohematoma) of the pinna, which, if untreated, may result in cartilage necrosis and chronic scarring or further cartilage formation and permanent deformity (“cauliflower ear”).
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