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2. Clinical death - Wikipedia

   en.wikipedia.org/wiki/Clinical_death

   Without special treatment after circulation is restarted, full recovery of the brain after more than 3 minutes of clinical death at normal body temperature is rare. [ 6 ] [ 7 ] Usually brain damage or later brain death results after longer intervals of clinical death even if the heart is restarted and blood circulation is successfully restored.

3. Cardiac arrest - Wikipedia

   en.wikipedia.org/wiki/Cardiac_arrest

   The risk of a transient catastrophic cardiac event increases in individuals with heart disease during and immediately after exercise. [71] The lifetime and acute risks of cardiac arrest are decreased in people with heart disease who perform regular exercise, perhaps suggesting the benefits of exercise outweigh the risks. [71]

4. Return of spontaneous circulation - Wikipedia

   en.wikipedia.org/wiki/Return_of_spontaneous...

   Return of spontaneous circulation (ROSC) is the resumption of a sustained heart rhythm that perfuses the body after cardiac arrest. It is commonly associated with significant respiratory effort. Signs of return of spontaneous circulation include breathing, coughing, or movement and a palpable pulse or a measurable blood pressure.

5. Deep hypothermic circulatory arrest - Wikipedia

   en.wikipedia.org/wiki/Deep_hypothermic...

   Cooling more than a few degrees was no longer needed for heart surgery. Thereafter, the only surgeries that required stopping blood circulation to the whole body ("total circulatory arrest") were surgeries involving blood supply to the brain. The only heart surgeries that continued to require total circulatory arrest were repairs to the aortic ...

6. Defibrillation - Wikipedia

   en.wikipedia.org/wiki/Defibrillation

   Defibrillation is a treatment for life-threatening cardiac arrhythmias, specifically ventricular fibrillation (V-Fib) and non-perfusing ventricular tachycardia (V-Tach). [1] [2] A defibrillator delivers a dose of electric current (often called a counter-shock) to the heart.

7. Cardiopulmonary resuscitation - Wikipedia

   en.wikipedia.org/wiki/Cardiopulmonary_resuscitation

   Cardiopulmonary resuscitation (CPR) is an emergency procedure consisting of chest compressions often combined with artificial ventilation, or mouth to mouth in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.