No none of them have been labled heart attacks. It is a medical condition called Ball's Mania or more commonly reffered to as "Excited Delirium". It is a physical and mental state that occurs when the suspect is high on some controlled substance and has a load of adrenalin and endorphins. Remember the Police don't have the luxury to tel the suspect to calm down and please list any illegal drugs you migt have recently taken. Suspects have died in custody simple from being restrained because of this