At Bispebjerg Hospital we have introduced an Early Warning Score based triage system , called Bispebjerg Early Warning Score (BEWS), in order to identify critically ill patient on arrival at the emergency department. The purpose of this study is to validate our triage system.

Inclusion Criteria:

• "Red" patient
• Seen in our emergency department between 1. april 2009 and 30. september 2009

Exclusion Criteria:

• None

When arriving at the emergency department patients are divided into on of three groups (red, blue nd white) according to the severity of their condition based on common regional guidelines. Red patients are the most servelery ill or injured patients. A random sample of "red" patients are included in this study