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Mastoiditis (Clinical
presentation (Pain, swelling, redness behind ear,…
Mastoiditis
Clinical
presentation
Pain, swelling, redness behind ear
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Diagnosis
Examination
ENT
Tender, swollen, erythematous mastoid
Protruding auricle
Investigations
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Bloods
FBC, CRP (high), U+E, LFT
Blood cultures
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History
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POH
Bloods, scans, growth, gestation,
delivery, weight, complications
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PC/HPC
Ear pain, swelling, redness, displaced ear, fever
Recent AOM/URTI
SH
Living arrangements, nursery/school
Management
Conservative
Information, advice, support
Admit to hospital
ENT/paeds referral
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Surgery
Myringectomy/mastoidectomy
Indication: no improvement with abx by 24h
MOA: removal of infected air cells, repair
of tympanic membrane
Pathophysiology
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Mechanism
Inflammation in middle ear
Pus erodes through mastoid air cells and mastoid bone
Can spread into the CNS
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