Cardiac Arrest
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Cardiac Arrest

Cardiac Arrest Symptoms

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Usually, the first sign of cardiac arrest is loss of consciousness (fainting). At the same time, no heartbeat (or pulse) can be felt.

Some people may have a racing heartbeat or feel dizzy or light-headed just before they faint. Within an hour before cardiac arrest, some people have chest pain, shortness of breath, nausea (feeling sick to the stomach), or vomiting.

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