Heart attack is like angina there is blood supply, whenever your blood supply to the heart is reduced then the heart start to produce a heart attack like thing, like a severe chest pain, sweating, pain in the arms, jaw and you feel week even you get vomiting and other things that is Heart Attack that means attack is happen there is a blood supply to the heart is been stopped. Cardiac arrest is something it can be because of heart attack, it can be any other condition of the heart that means heart is stopped functioning at all. In heart attack heart is still functioning but you are having the pain and other things because of no blood supply, heart is requiring more of oxygenated blood but in cardiac arrest, the heart is stopped it can be because of any reason, it can be because of cardiac arrest or it can be because of any trauma, anything but heart attack is the blood supply to the heart is imputed so you experience certain kind of symptoms and diabetics you will not get chest pain but we experience some kind of symptoms like unconscious and vomiting, sweating those kind of things you can experience.

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