Alert Verbal Painful Unresponsive Scale Clinical Classification

**Semantic type:** Intellectual Product

**Definition:** A standardized assessment algorithm published by the American College of Surgeons Committee on Trauma in the Advanced Trauma Life Support protocol in 1989 that uses the criterion of "alert", "responsive to verbal stimulation", "responsive to painful stimulation", or "unresponsive" to determine a patient's level of consciousness.

**Synonyms:** - AVPU - AVPU - AVPU01