EARS

Victoria Chan
Mind Map by Victoria Chan, updated more than 1 year ago
Victoria Chan
Created by Victoria Chan over 4 years ago
4
1

Description

1 Medicine (TSM) Mind Map on EARS, created by Victoria Chan on 11/08/2016.

Resource summary

EARS
  1. Disorders
    1. Hearing loss
      1. Central
        1. No deficit for simple sounds
          1. Auditory verbal agnosia
            1. Can occur after stroke
            2. Sensorineural
              1. Damage to cochlea: hair cells & synaptopathy
                1. Loss of volume & resolution
                  1. Causes
                    1. Presbycusis
                      1. Drug damage
                        1. Disease e.g. meningitis, measles
                          1. Genetic
                        2. Conductive
                          1. Causes
                            1. Infection
                              1. Otitis media w effusion
                              2. Otosclerosis
                            2. Tinnitus
                              1. No treatment
                          2. Vestibular System
                            1. Vestibule
                              1. Utricle
                                1. Horizontal macula
                                2. Saccule
                                  1. Vertical macula
                                  2. Detects changes in head angle & linear acceleration
                                  3. Semicircular canals
                                    1. Detect rotational acceleration
                                      1. Superior
                                        1. Posterior
                                          1. Lateral
                                            1. Hair cells in cupula in ampulla
                                            2. Vestibulo-ocular reflex
                                              1. Counter-rotates eyes when head moves
                                            3. Anatomy
                                              1. External ear
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