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What exactly is happening in the human brain when a person who has almost died is being resuscitated? A new study of cardiac arrest survivors suggests that almost 40% of people undergoing CPR do ...
Scientists have managed to make death even scarier. According to a team of scientists in New York, the human brain is still very active after death, which means there's a chance you could actually ...
In general, cytotoxic edema is linked to cell death in the brain through excessive cellular swelling. [1] During cerebral ischemia for example, the blood–brain barrier remains intact but decreased blood flow and glucose supply leads to a disruption in cellular metabolism and creation of energy sources, such as adenosine triphosphate (ATP). [1]
Post-cardiac arrest syndrome (PCAS) is an inflammatory state of pathophysiology that can occur after a patient is resuscitated from a cardiac arrest. [1] While in a state of cardiac arrest, the body experiences a unique state of global ischemia .
Unlike cardiac arrest, a heart attack is a circulation problem. When circulation is blocked or cut off in some way and blood is no longer supplied to the heart muscle, this can damage that muscle ...
Signs of death or strong indications that a human is no longer alive are: Respiratory arrest (no breathing); Cardiac arrest (no pulse); Brain death (no neuronal activity); The heart and lungs are vital organs for human life due to their ability to properly oxygenate human blood (lungs) and distribute this blood to all vital organs (heart).
Cooling treatment alone has permitted recovery after 17 minutes of clinical death at normal temperature, but with brain injury. [17] Under laboratory conditions at normal body temperature, the longest period of clinical death of a cat (after complete circulatory arrest) survived with eventual return of brain function is one hour. [18] [19]
Researchers analyzed data from 259 women and 996 men in the Netherlands who survived at least 30 days after a cardiac arrest that took place outside a hospital between 2009 and 2015.