8354cbfd_diac_Arrest_and_a_Heart_Attack__Sudden_Cardiac_Arrest__SCA_
[0] Risk of Death [Heart Attack] Most victims can recover fully and lead normal lives, but about a third of heart attacks are deadly. A heart attack can lead to sudden cardiac arrest. [Sudden Cardiac Arrest (SCA)] 
A victim of SCA will die unless treated. If left untreated, the chances of survival decrease by 10% per minute. Typically, permanent brain damage occurs within 5-7 minutes.
The Difference Between Sudden Cardiac Arrest and a Heart Attack
Sudden Cardiac Arrest (SCA)