[1] The document provides guidance on performing a trauma assessment, beginning with scene size-up and BSI, then moving through primary assessment of airway, breathing, circulation, disability, and exposure. [2] Key steps highlighted include assessing level of consciousness, identifying life threats, controlling bleeding, treating for shock, and obtaining a SAMPLE history. [3] A full trauma assessment involves examining the head, neck, chest, abdomen, pelvis, and extremities as well as taking vital signs like blood pressure, pulse, and respirations. The assessment should be repeated and injuries reassessed.