Providing cardiopulmonary resuscitation (CPR) effectively is dependent on a variety of factors, including immediate action taken by the rescuer and performance of high-quality maneuvers. The American Heart Association (AHA) has updated its 2010 guidelines on CPR and emergency cardiovascular care to highlight important changes. The 2010 guidelines changed the sequence of CPR from airway, breathing, compressions (ABC) to compressions, airway, breathing (CAB) to avoid delays in starting chest compressions;