EAR, NOSE AND THROAT Flashcards
Parts of the ear
Outer ear
Middle ear
Tympanic membrane
Inner ear
Parts of the outer ear
Ear canal
Pinna or auricle
Parts of the middle ear
Ossicles
Eustachian tube
Name the three ossicles
Malleus
Incus
Stapes
Parts of the inner ear
Cochlea - nerves
Vestibule - balance
Semicurcular canals - balance
Otalgia
Pain in the inner or outer ear
Otorrhagia
Bleeding from the ear
Otorrhea
ear drainage
CSF otorrhea
Spinal fluid drains through the ear
Autophony
Hearing your own voice loudly or echoing
Hyperacusis
Increased sensitivity to sound
Constitutional symptoms of ear disorders
Fever
Chills
Headache
Malaise
Insomnia
Irritability
Vomiting
Abdominal discomfort
Diarrrhoea
Anorexia
Convulsions
Decreased performance
Congenital ear abnormalities
Microtia
Macrotia
Acrotia
Wildermuth’s ear
Ear tags
Preauricular sinus
Atresia
Lop ear
Collaural fistula
Auxiliary ears
Bat ear
Ear canal stenosis
Preauricular sinus
A small hole or cyst just in front of the ear above the ear canal
Microtia
External is small and not formed properly
Anotia
External ear is missing
Macrotia
Enlarged external ear
Ear atresia
Ear canal is closed
Ear canal stenosis
Narrowing of the ear canal
Risk factors for otitis externa
PH changes
Anatomic obstructions
Disrupted epithelium
Anatomic obstructions that cause otitis externa
EAC stenosis
Exostoses
Wax impactions
Exostoses
Exostoses are defined as benign growths of bone extending outwards from the surface of a bone
Factors that cause disrupted epithelium
Ear picking
Hearing aid
Hearing plug
Classification of otitis externalities
Infective or Reactive
Circumscribed or Diffused
Types of Infective (Dermatitis) otitis media
Bacterial
Malignant otitis
Fungal otomycosis
Viral
Viral causes of otitis media
Herpes simplex
Herpes zoster
Types of bacterial otitis externa
Non-specific
Specific
Examples of specific bacterial otitis externa
Lupus vulgaris
Non-specific bacterial otitis externa
Furunculosis
Perichondritis
Otitis externa
Types of reactive (Dermatosis) otitis externa
Seborrheic or Psoriatic dermatitis
Neurodermatitis
Allergic dermatitis
Eczematous
Management of otitis externa
Pain relief
Warm compresses
Aural toileting, suctioing or irrigation
Surgical treatment
Specific treatment for the type
Treatment of risk factors
Otitis media
Inflammation of the middle ear
Types of otitis media
Acute: 3-4 weeks
Subacute :3-4 weeks to 3 months
Chronic: >3 months
Types of acute otitis media
Acute Otitis Media
Acute Suppurative Otitis Media
Types of subacute otitis media
Chronic non specific OM
Chronic specific OM
Antecedent factor to AOM
Viral URTI’s- Respiratory synctial virus and Influenza virus
Bacteria implicated in AOM
S.pneumonae
H. influenzae
M. catarrhalis
Hemolytic streptococcus
Bacteria implicated in chronic OM
P. aeruginosa
Proteus spp.
E.coli
Bacteroides fragilis
Staph. albus
Staph. aureus
Stages of acute otitis media
- Hyperemia : acute tubal occlusion phase
- Exudation: Presuppurative phase
- Suppurative phase
- Coalescence/ Surgical mastoiditis phase
At which stage of AOM is the lighhouse sign seen
Stage 3 or suppurative phase
Surgical treatments for acute otitis media
Myringotomy
Grommets isertion
Adenoidectomy
Mastoidectomy
Tympanoplasty
Ossculoplasty
Myringotomy
Surgical incision into the ear drum to relieve pressure or drain fluid
Ossiculoplasty
Reconstruction of the ossicles in the middle ear
Grommets insertion
Insertion of a small ventilation tube into the eardrum to allow air into the middle ear and prevent buildup of fluid