Difference between a heart attack, cardiac arrest, and stroke?
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Heart attack: blockage in arteries prevents blood from delivering oxygen and nutrients. Heart muscle will die in time
Cardiac arrest: heart stops beating effectively to sustain life. Could be cause by electrical issues in the heart, heart attack, environment such as drugs or chemicals, etc
Stroke: blood flow has stopped due to blockage in blood vessels or due to bleeding of the blood vessels.
Heart failure: damages to muscle and structure has made in no longer effective in pumping
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