An event experienced by an infant or a child that is characterized by some combination of apnea, color change, change in muscle tone, choking, and gagging.

Synonyms: Apparent Life-Threatening Event, Life-Threatening Event, Apparent, ALTE Apparent Life-Threatening Event, Brief, Resolved, Unexplained Event, Infantile Apparent Life Threatening Event, Idiopathic Apparent Life Threatening Event, Infantile Apparent Life-Threatening Event, BRUE Brief, Resolved, Unexplained Event, Idiopathic Apparent Life-Threatening Event, Apparent Life-Threatening Events, ALTE Apparent Life Threatening Event, Life-Threatening Events, Apparent, Apparent Life Threatening Event