The most common cause of a heart attack is sudden narrowing or blockage of a coronary artery, which blocks oxygen to the heart. This can happen when plaque in the coronary artery breaks and a blood clot forms in the artery.
Learn how to perform CPR on a child, use an AED, and manage a choking event.
Learn how to respond in an emergency situation, how to perform CPR, and how to use an AED.
Learn how to respond to an emergency with first aid, CPR, and the use of an AED.
Learn how to respond to the illness and/or injury of an adult, as well as how to perform CPR, use an AED, and relieve choking for an adult.