What is Sudden Cardiac Arrest? Learn the differences between a heart attack and sudden cardiac arrest, and what steps are needed to help save a life. Prompt external defibrillation with an AED is the only known effective treatment for sudden cardiac arrest. How your employees react before emergency medical services arrive could make the difference between life and death. Please join us for our FREE AED Breakfast Seminar on September 19, 2017 from 8:00 a.m. - 10:00 a.m. to learn more.