Heart Attack, Cardiac Arrest or Heart Failure – What’s the Difference? In everyday conversations, heart attack, cardiac arrest, and heart failure are often confused, even though they represent distinct heart emergencies. Being aware of the distinction between these heart problems allows patients and families to respond correctly in emergencies. At https://www.diigo.com/item/note/b2kvl/w3ya?k=f4140d405c19452d9b4a8d23499da818