8354cbfd_diac_Arrest_and_a_Heart_Attack__Sudden_Cardiac_Arrest__SCA_
[0] Victim's Response [Heart Attack] The victim of a heart attack is usually conscious and alert. [Sudden Cardiac Arrest (SCA)] 
A sudden cardiac arrest victim always loses consciousness from lack of oxygen.
The Difference Between Sudden Cardiac Arrest and a Heart Attack
Sudden Cardiac Arrest (SCA)