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It can be used if you are going into anaphylaxis- a really bad allergic reaction. It is also used in heart-related emergencies, like with Ventricular tachycardia or fibrillation, or to try and restart the heart in asystole.
The police, paramedics and social workers are notified when try to commit suicide.
If a person's heart stops beating - and nothing is done to try to restart it - they will suffer irreparable brain damage - and possibly death.
Generally speaking, no. CPR is essentially a maintenance procedure designed to keep oxygenated blood flowing in the body while the heart is stopped, to keep the person from actually dying before medical personnel can try to restart the heart. CPR can, occasionally, get the heart from a not-beating-at-all state to one where a defibrillator can be used to shock the heart back into a normal rhythm. But people who aren't actually medical professionals but have CPR training are usually just trying to extend the amount of time that the person can be revived until a doctor/EMT arrives.
The heart, brain, and lungs are crucial to sustain life. In heart disease, the heart muscle can become flabby. Veins in the heart and body can clog up with platelets and debris, causing narrowed blood vessels. Valves can fail and the pumping action can be hampered. Eventually, the weakened, diseased heart cannot keep up and there is cardiac tissue death. Doctors can restart a healthy heart, but it is hard to sometimes impossible to restart a diseased flabby heart. Plus, if death occurs outside of the hospital (at home, at work), the needed machinery is not there to keep blood circulating so docs can try to fix the problem.
either try a different server or restart your computer
Try refreshing, restart computer and try again, or Try again later. If that doesn't work then your out of luck.
You can close it forcefully, and try to reopen it. If that doesn't work, try to restart your computer. If that doesn't work, try to reinstall it.
Try to restart your playstation3, Xbox360 or Wii or quit and if it doesn't work just restart it.
Bad alternator?
Try taking the battery out and restart your phone