Assertion: choanal atresia | /r/Causes | complete nasal obstruction
Facets:
value: due to asphyxia
type: CAUSE
Source sentences:
text: Bilateral choanal atresia causes complete nasal obstruction – immediate respiratory distress and even potential death due to asphyxia (because newborns are obligate nose breathers until approximately 4 to 6 weeks at which time mouth breathing is learned).