congenital

Choanal atresia

Choanal is a disorder where the back of the nasal passage (choana) is blocked, usually by abnormal bony or soft (membranous) due to failed hole development of the nasal fossae during development. It causes persistent , and with choanal atresia, an obstructed that can cause and hypoxia.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

·difficulty breathing,

Causes — why it happens

·developmental problem with nasal and

How it's found

·inability to place nasal catheter, CT scan

Treatment

· to reopen the

Complications

·, hypoxia

Outlook

·: very good
·: good with successful

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Plain-language summary adapted from Wikipedia. Not medical advice.