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Otitis media
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Summary of Otitis media
Otitis media refers to an inflammatory condition of the middle ear. The two main types are acute otitis media and otitis media with effusion. Acute otitis media (common bacterial causes include Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis) may present with abrupt onset ear pain in young children along with pulling at the ear, increased crying, and poor sleep. Decreased eating and a fever may also be present.

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Pathology

Eyes, ears, nose and throat

Eye disorders
Color blindness
Cortical blindness
Hemianopsia
Homonymous hemianopsia
Bitemporal hemianopsia
Cataract
Glaucoma
Retinal detachment
Age-related macular degeneration
Diabetic retinopathy
Corneal ulcer
Retinoblastoma
Retinopathy of prematurity
Periorbital cellulitis
Uveitis
Keratitis
Orbital cellulitis
Hordeolum (stye)
Conjunctivitis
Neonatal conjunctivitis
Ear disorders
Conductive hearing loss
Eustachian tube dysfunction
Tympanic membrane perforation
Otitis externa
Otitis media
Vestibular disorders
Vertigo
Meniere disease
Labyrinthitis
Acoustic neuroma (schwannoma)
Nasal and nasopharyngeal disorders
Choanal atresia
Allergic rhinitis
Nasal polyps
Nasopharyngeal carcinoma
Oral cavity and oropharyngeal disorders
Sialadenitis
Parotitis
Ludwig angina
Aphthous ulcers
Temporomandibular joint dysfunction
Oral cancer
Warthin tumor
Sleep apnea
Gastroesophageal reflux disease (GERD)
Zenker diverticulum
Retropharyngeal and peritonsillar abscesses
Esophageal cancer
Laryngeal disorders
Laryngomalacia
Laryngitis
Bacterial epiglottitis
Thyroid and parathyroid gland disorders
Thyroglossal duct cyst
Thyroid cancer
Hyperparathyroidism
Hypoparathyroidism
Eyes, ears, nose and throat pathology review
Eye conditions: Refractive errors, lens disorders and glaucoma: Pathology review
Eye conditions: Retinal disorders: Pathology review
Eye conditions: Inflammation, infections and trauma: Pathology review
Vertigo: Pathology review
Nasal, oral and pharyngeal diseases: Pathology review
Thyroid nodules and thyroid cancer: Pathology review
Parathyroid disorders and calcium imbalance: Pathology review

Assessments
Otitis media

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Questions

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High Yield Notes
8 pages
Flashcards

Otitis media

5 flashcards
Questions

USMLE® Step 1 style questions USMLE

3 questions

USMLE® Step 2 style questions USMLE

3 questions
Preview

A 3-year-old boy is brought to the pediatrician's office by his mother because of left ear pain for the past 4 days. Physical examination shows a bulging and erythematous left tympanic membrane. The use of pneumatic pressure otoscope shows no movement of the tympanic membrane. Which of the following organisms is the most likely cause of this patient's symptoms?

External References