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Near-death experiences: only oxygen deficiency in the brain? Through research at three of the country's largest Slovenian hospitals, Slovenian researchers attribute the near-death experiences of resuscitated people to the high proportion of carbon dioxide in those affected.
The researchers Zalika Klemenc-Ketis, Stefek Grmec and Janko Kersnik from the University of Maribor successfully examined the effect of the partial pressure of oxygen (O2) and carbon dioxide (Co2) and the serum values of sodium (Na) and potassium (K) on 52 resuscitated patients, with an average age of 53.1 years. 42 of the resuscitated patients were men.
Near-death experience (NDE) was reported by 11 of those involved, which is around 21 percent. A near-death experience (NDE) is called an experience that occurs in people with a short-term cardiac arrest. Affected people often report hovering above the site and lights at the end of a tunnel.
An increase in Co2 and potassium levels in the blood of people with cardiac arrest occurs within minutes. These values, especially the increased Co2 content (hypercapnia), were related to increased near-death experiences. Carbon dioxide changes certain metabolic processes in the brain and, according to the scientists, is said to be responsible for the events reported later.
The term thanatology describes a science, among other things, of near-death experiences. A well-known representative is the Swiss doctor Elisabeth Kübler-Ross (1926-2004). She is considered to be the founder of dying research, but has incorporated her own interpretations very strongly into her work. (Thorsten Fischer, naturopath osteopathy, April 9th, 2010)