A more formal definition, which is used in medical studies: “Sudden death is the death that occurs in the first hour of the onset of symptoms or unexpected death of an apparently healthy person living alone and was well in term 24 previous hours”.
Sudden death occurs when the heart beats are so fast that the heart quivers instead of pumping blood to the body and brain. If left untreated, can lead to death in minutes. If you have this risk, an implantable defibrillator may be the treatment of choice to treat dangerously fast heart rhythms and provide ongoing protection against sudden death.
An electrical problem in the heart causes sudden death. It occurs when the heart starts beating dangerously fast, making quiver rather than pump blood to the body and brain.
Among the main cardiac diseases that can trigger sudden death and who have a major genetic component are:
Some people may experience rapid heartbeat or feeling dizzy, which alerts them of a potentially dangerous heart rhythm. Others who suffer sudden death may lose consciousness before being able to ask for help.
Among people with a higher risk for sudden death include those: