Heart Attack, Cardiac Arrest Or Heart Failure – What’s the Difference? Although these terms sound similar, heart attack, cardiac arrest, and heart failure are three separate heart-related conditions with different causes and treatments. Knowing how these conditions differ can be life-saving, as timely action plays a critical role in outcomes. https://medjournalhealthcare.weebly.com/blog/heart-attack-cardiac-arrest-or-heart-failure-whats-the-difference4061947