What is the difference between a heart attack and cardiac arrest?

Heart Attack or Sudden Cardiac Arrest: How Are They Different? People often use these terms interchangeably, but they are not synonyms. A heart attack is when blood flow to the heart is blocked, and sudden cardiac arrest is when the heart malfunctions and suddenly stops beating unexpectedly.

hope it helps please mark me brai-

well you know what i mean : )

Explanation:

equal distribution i think.