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Explaining Cardiac Arrest and Heart Attacks. Once a Person is in Cardiac Arrest are you Clinically dead?
The heart is not shocked back into rhythm. It is shocked to a standstill in the midst of disorganised electrical activity, in the hopes of the heart picking up its natural rhythm again. That is why, in real life, there is no point in shocking a patient in flatline. Someone in cardiac arrest is already "dead". Also, the person will absolutely collapse, lose consciousness and stop breathing. A heart attack is decreased blood to a part of the heart muscle that then causes "death" of part of the heart tissue. A reduction in blood flow to a part of the heart does not necessarily mean the person will have a heart attack.