This document provides information on how to recognize and help someone who is choking. It begins by asking questions to assess the reader's existing knowledge. It then explains that DR ABC stands for Danger, Response, Airway, Breathing, Circulation - the order of the primary survey steps. The document outlines how to spot if someone is choking, including difficulty breathing or talking and a red face. It describes asking the person if they are choking and instructing them to cough before providing back blows or abdominal thrusts if needed. The document provides guidance on performing back blows and abdominal thrusts and calling emergency services if the blockage does not clear. It includes links to videos and activities to practice skills for helping a choking casualty.