The purpose of this study is to determine the prevalence, etiology, and timing of missed Serious Medical Illness (SMI) in patients referred to adult psychiatry by emergency physicians, as well as to determine admission rates for SMI soon after discharge from an inpatient psychiatry admission.

Inclusion Criteria:

• All patients greater than or equal to 18 years of age presenting to London Health Sciences Centre, Victoria Hospital emergency department between October 1, 2014 - July 31, 2015 who were referred to adult psychiatry by the emergency physician.

Exclusion Criteria:

• None

All patients greater than or equal to 18 years of age presenting to London Health Sciences Centre, Victoria Hospital emergency department between October 1, 2014 - July 31, 2015 who were referred to adult psychiatry by the emergency physician