Cardiac arrest is caused by

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Cardiac arrest is most commonly caused by ventricular fibrillation, which is a rapidly abnormal heart rhythm that prevents the heart from pumping blood effectively. Angina is chest pain that is caused by reduced blood flow to the heart, but it is not the same as cardiac arrest. Sinus nodes are part of the electrical system of the heart that helps regulate heart rate, but they are not the primary cause of cardiac arrest. Systolic blood pressure is a measure of the force of blood against the walls of arteries when the heart is beating, but it is not the primary cause of cardiac arrest.

Cardiac Arrest Is Caused by