This document provides information on cardiopulmonary resuscitation (CPR). It defines CPR as a technique used to oxygenate the brain and heart when breathing or heartbeat has stopped, until medical treatment can restore normal function. The purposes of CPR are to maintain an open airway, breathing through ventilation, and blood circulation through chest compressions. It describes the indications for CPR as cardiac or respiratory arrest, drowning, foreign objects, and other emergencies. The document outlines the standard CPR method and steps for chest compressions, airway management, and rescue breathing.