Heart Emergencies Explained: Heart Attack, Cardiac Arrest & Heart Failure When it comes to heart health, many people use the terms heart attack, cardiac arrest, and heart failure interchangeably, but they are actually very different medical conditions. Knowing how these conditions differ can be life-saving, as timely action plays a https://www.diigo.com/item/note/b2kov/ph48?k=44c88be0fe13ca23aff6a657fc9e76e2