Painful? Yes and no… When someone goes into cardiac arrest and requires CPR (cardiopulmonary resuscitation) they don't feel pain as they are considered (medically) dead. Their body has shut down and is no longer functioning properly. read more
CPR, when correctly done, can result in broken ribs, punctured lungs, and other serious injuries. read more
So, he had quite a few people doing CPR on him; thanks be to God! But, he has never complained of any chest pain, though he does have a high tolerance for pain. He has complained all this year of pain in his shoulder on the side where the defibrillator was implanted, however, that pain has finally disappeared. read more