Heart Emergencies Explained: Heart Attack, Cardiac Arrest & Heart Failure 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. At https://kaushalwockhardtho.wixsite.com/my-site-1/post/heart-attack-cardiac-arrest-or-heart-failure-what-s-the-difference-1