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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 ...
Millions of people have reported near-death experiences since cardiopulmonary resuscitation, better known as CPR, was invented in 1960, said Dr. Sam Parnia, an NYU Langone Health intensive care ...
The adolescent brain is 60 times more sensitive to components of the metabolic chain reaction that occurs after trauma, resulting in more diffuse cerebral swelling. [41] After the initial concussion, the children and young adults are more likely to sustain a second impact within the first two weeks.
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 .
The ischemic (ischaemic) cascade is a series of biochemical reactions that are initiated in the brain and other aerobic tissues after seconds to minutes of ischemia (inadequate blood supply). [1] This is typically secondary to stroke , injury, or cardiac arrest due to heart attack .
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 ...
Brain ischemia is a condition in which there is insufficient bloodflow to the brain to meet metabolic demand. [1] This leads to poor oxygen supply or cerebral hypoxia and thus leads to the death of brain tissue or cerebral infarction/ischemic stroke. [2] It is a sub-type of stroke along with subarachnoid hemorrhage and intracerebral hemorrhage. [3]
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]