| http://www.w3.org/ns/prov#value | - However it is important to note that sudden cardiac arrest is often a complication of a heart attack.Sudden cardiac arrest, often occurs without warning and may be the first sign of cardiovascular disease. ???While a person who has a sudden cardiac arrest may seem outwardly healthy, most victims have heart disease or other problems they may not be aware of.???What happens is that the heart???s ele
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