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Examination of ear - DR GIRISH S

PRESENTATION ON EXAMINATION OF EAR - MS OTOLARYNGOLOGY
EXTERNAL AUDITORY CANAL, PINNA, TYMPANIC MEMBRANE, HEARING ASSESSMENT

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Examination of ear - DR GIRISH S

  1. 1. PHYSICAL EXAMINATION FUNCTIONAL EXAMINATION
  2. 2. SURFACE OF TYMPANIC MEMBRANE vesicles or bullae (herpes zoster or myringitis bullosa), perforation (acute or chronic otitis media) • central (in pars tensa) • Small • Medium • Subtotal • Total • attic (in pars flaccida) • marginal (at the periphery involving the annulus). MOBILITY - Siegle's speculum normal tympanic membrane is mobile.
  3. 3. 1st degree It is weak nystagmus and is present when patient looks in the direction of fast component. 2nd degree It is stronger than the 1st degree nystagmus and is present when patient looks straight ahead. 3rd degree It is stronger than 2nd degree nystagmus and is present even when patient looks in the direction of the slow component.
  4. 4. CENTRAL PERIPHERAL Latency No latency 2-20 seconds Duration More than 1 minute Less than 1 minute Direction of nystagmus Direction changing Direction fixed Fatiguability Non-fatiguable Fatiguable Accompanying symptoms None or slight Severe vertigo

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