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Deafness, Ear discharge, Tinnitus, Otalgia - Coggle Diagram

- - - - Abnormal (disease affecting the EAM or the TM)
      - Normal (disease affecting the conducting system beyond the TM)
        
        Ossicular chain lesion
        
        Ossicular malformation
        
        Third window lesion
        
        Otosclerosis
  - - - ABR/MRI
        
        Abnormal (acoustic tumor)
        
        Normal
        
        Meniere's disease
        
        Idiopathic sudden hearing loss
        
        Unilateral noise exposure
        
        Unilateral head trauma
        
        Viral labyrinthitis
        
        Perilymphatic fistula
- - - - Allergy (usually bilateral)
    - - CSF leak (usually unilateral)
- - - - Acute diffuse otitis externa
      - FB
    - - CSOM
      - FB
- - - - Chronic or malignant otitis external
    - - Cholesteatoma
- - - - Wax
      - FB
      - Acute otitis media or otitis media with effusion
      - TM perforation
      - Aberrant internal carotid artery
      - Glomus tumor
    - - Pure tone audiometry
        
        Normal
        
        TMJ syndrome
        
        Cervical arthrosis
        
        Head trauma
        
        Idiopathic
        
        CHL
        
        Luxation or atrophy of the incus
        
        Otosclerosis
        
        Head trauma
        
        SNHL
        
        Presbyacusis
        
        Ototoxic drugs
        
        Acoustic trauma
        
        MS
        
        Acoustic tumor
- - - - CT/angio-MRI
        
        Normal
        
        Palatal myoclonus (objective tinnitus)
        
        Benign intracranial HTN (objective tinnitus)
        
        HTN
        
        Abnormal
        
        Glomus tumor
        
        Vascular anomaly
- - - - Dental carries
      - Apical abscess
      - Impacted mollar
      - Malocclusion
    - - Ulcers
    - - Bruxism
      - Ill-fitting denture
      - Osteoarthritis
      - Recurrent dislocation
  - - - Acute tonsillitis
      - Peritonsillar abscess
      - Tonsillectomy
      - Ulcers of the palate, tonsil, or tonsillar pillars
      - Tumors
    - - TB
      - Malignant neoplasm