Heart Attack vs. Cardiac Arrest: What's the Difference?
1. Heart Attack and Cardiac Arrest Are Not the Same Although both involve the heart and require immediate medical attention, a heart attack and a cardiac arrest are two different conditions. A heart attack occurs when blood flow to part of the heart muscle becomes blocked, usually due to a clogged artery. A cardiac arrest happens when the heart suddenly stops beating properly because of an electrical malfunction. During a heart attack, the heart usually continues to beat, but during cardiac arrest, the heart stops pumping blood effectively. Both conditions are life-threatening and require emergency treatment, but cardiac arrest demands immediate...

