An irregular heart rhythm can cause serious health problems. In the case of cardiac arrest, a shock from an automated external defibrillator (AED) can kickstart the heart until further medical assistance arrives. But only shockable heart rhythms respond to electric shock — and not all heart rhythms are shockable. Read on to learn the difference between shockable versus non-shockable heart rhythms and what CPR givers can do when confronted with these types of cardiac arrests.
