This episode is the first in a two-part series on Brief Resolved Unexplained Events (BRUEs), previously referred to as apparent life-threatening events​ (ALTEs). This podcast describes the clinical presentation of a BRUE and develops a differential diagnosis of these events based on etiology. This podcast was created by Larissa Shapka in collaboration with Dr. Karen Forbes. Larissa is a third-year medical student at the University of Alberta. Dr. Forbes is a Pediatric Hospitalist and Associate Professor of Pediatrics at the Stollery Children's Hospital and the University of Alberta.    Related Content: Pocast: Brief Resolved Unexplained Events (BRUEs) Part 2 Podcast: Sudden Infant Death Syndrome