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7 Cards in this Set

  • Front
  • Back

Conductive Hearing Loss




• conduction of sound to the cochlea is impaired


• can be caused by external and middle ear disease

Sensorineural Hearing Loss




• due to a defect in the conversion of sound into neural signals or in the transmission of those signals to the cortex


• can be caused by disease of the inner ear (cochlea), acoustic nerve (CN VIII), brainstem, or cortex

Differential Diagnosis of Vertigo Based on History




Differential Diagnosis of Vertigo Based on Time Course

Retropharingeal


abscess

-- Neck pain, fever, limited neck mobility


-- Trismus (innability to open mouth normally)


-- Due to local trauma


* CT of the neck


** Treatment:


IV anibiotics and urgent grainage

Herpangina

-- Coxsackie A virus


-- vesicles on the tonsils and soft palate


-- Tipically in children


-- Sore throad, fever, and pain with swallowing

Malignant Otitis


Externa

-- Severe pseudomonal infection


-- Granulation tissue


-- Eldery, with poor controled diabetis


-- Severe ear pain, drainage and fever


-- Osteomyelitis of the skull base or temporomandibular joint can develop


** Systemic therapy with anti-pseudomonal antibiotics --> ciprofloxacin