Tags: CO2 | explain | near-death experiences | raises levels of carbon dioxide in blood | NDEs

CO2 May Explain Near-Death Experiences

Friday, 09 Apr 2010 08:20 AM


People who have "near-death experiences," such as flashing lights, feelings of peace and joy, and divine encounters before they pull back from the brink may simply have raised levels of carbon dioxide (CO2) in the blood, a study suggests.

Near-death experiences (NDEs) are reported by between 11 and 23 percent of survivors of heart attacks, according to previous research.

But what causes NDEs is strongly debated. Some pin the mechanisms on physical or psychological reasons, while others see a transcendental force.

Researchers in Slovenia, reporting on Thursday in a peer-reviewed journal, Critical Care, investigated 52 consecutive cases of heart attacks in three large hospitals.

The patients' average age was 53 years. Forty-two of them were men.

Eleven patients had NDEs, but there was no common link between these cases in terms of age, sex, level of education, religious belief, fear of death, time to recovery, or the drugs that were administered to resuscitate them.

Instead, a common association was high levels of CO2 in the blood and, to a lesser degree, of potassium.

Further work is needed to confirm the findings among a larger sample of patients, say the authors, led by Zalika Klemenc-Ketis of the University of Maribor.

Having an NDE can be a life-changing experience, so understanding its causes is important for heart-attack survivors, they say.

Copyright AFP




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People who have "near-death experiences," such as flashing lights, feelings of peace and joy, and divine encounters before they pull back from the brink may simply have raised levels of carbon dioxide (CO2) in the blood, a study suggests.
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2010-20-09
Friday, 09 Apr 2010 08:20 AM
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