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CPR being administered during a simulation of cardiac arrest. Cardiac arrest is a sudden loss of blood flow resulting from the failure of the...

CPR being administered during a simulation of cardiac arrest. Cardiac arrest is a sudden loss of blood flow resulting from the failure of the heart to effectively pump. Symptoms include loss of consciousness and abnormal or absent breathing. Some individuals may experience chest pain, shortness of breath, or management of cardiac arrest pdf before cardiac arrest.


If not treated within minutes, it usually leads to death. The most common cause of cardiac arrest is coronary artery disease. Less common causes include major blood loss, lack of oxygen, very low potassium, heart failure, and intense physical exercise. A number of inherited disorders may also increase the risk including long QT syndrome.

The initial heart rhythm is most often ventricular fibrillation. The diagnosis is confirmed by finding no pulse.

While a cardiac arrest may be caused by heart attack or heart failure, these are not the same. Prevention includes not smoking, physical activity, and maintaining a healthy weight.

Among those who survive, targeted temperature management may improve outcomes. An implantable cardiac defibrillator may be placed to reduce the chance of death from recurrence. In hospital cardiac arrest occurs in an additional 209,000. Cardiac arrest becomes more common with age.

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