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Choanal atresia
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Summary of Choanal atresia
Choanal atresia is a congenital disorder where the back of the nasal passage (choana) is blocked, usually by abnormal bony or soft tissue (membranous) due to failed recanalization of the nasal fossae during fetal development. It can be unilateral or bilateral. 

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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
Choanal atresia

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High Yield Notes
3 pages
Flashcards

Choanal atresia

6 flashcards
Questions

USMLE® Step 1 style questions USMLE

1 questions

USMLE® Step 2 style questions USMLE

1 questions
Preview

An hour-old newborn boy is brought to the pediatric emergency department because of respiratory distress for the past 30 minutes. The boy is born to a primigravid mother at home with a midwife. The mother reports that the baby turns blue and has difficulty breathing when she tries to nurse him. Physical examination shows an actively crying baby who is pink all over. When the baby attempts to suck on a gloved finger, he turns cyanotic with intercostal and supraclavicular retractions. Which of the following is most appropriate next best step in management?