What happens before a person dies?
This is a question that many people have thought about, but there is no answer. Because, those who know the answer, can no longer speak. In this regard, scientists have also conducted relevant research, and found that after the human heart stops beating, consciousness does not disappear immediately.
Generally speaking, after death, the heart stops beating, and other organs of the body will stop working, but scientists have found that the brain can continue to run after death!
A team of researchers at NYU School of Medicine conducted a survey of people who "came back from the dead" after cardiac arrest, and study author Dr. Sam Pania noted that they all said they had seen the paramedics rescue themselves and could even clearly hear the conversation. But in reality, it is impossible for them to know.
The paramedics then validated their descriptions, saying that this was indeed the case.
In this regard, Dr. Sam Pania explained: In medicine, the heart stops beating means death. Because after the heart stops beating, blood does not flow into the brain, and the brain cells gradually die, causing the brain to stop functioning. But this process takes a certain amount of time, that is, after the heart stops beating, the brain does not die immediately, but there is still a trace of consciousness in this short process.
What do people see in the moment of their death? Is it like the TV series, out of the soul, watching relatives sitting next to the body, or seeing the deceased relatives?
Belgian scientists once did a study of "near-death experiences", researchers surveyed 154 people who had experienced death but came back to life, and summarized their common characteristics, and found that:
60% of people saw bright bright light;
64% saw a person or a soul;
36% felt the soul return to the body;
35% of people feel out of their souls;
5% of people see the marquee of life;
4% saw the future;
Similar near-death studies have been done in China.
Professor Feng Zhiying, president of Tianjin Anding Hospital, and his colleagues conducted a near-death experience survey of 100 survivors of the Tangshan earthquake and found that:
Before dying, 50% of people have a "marquee" review of life, and 50% feel that the soul is detached from the body. In addition, 1/3 of the people have the strange feeling of passing through the tunnel, 1/4 of the people meet people who are not real, and 1/4 of the people say that they feel that the body no longer belongs to them...
Why do people have the above strange feelings before they are dying? Studies have found that this may be the brain is trying to turn the tide, secreting a large number of chemicals such as dopamine and norepinephrine, causing excitement and thus hallucinations.
Some scientists believe that the temporal lobe in the brain is responsible for processing sensory information and memory, and when abnormal activity occurs, it can also cause strange sensations and perceptions.
All in all, the series of reactions and feelings that people produce before dying are the brain's final dying struggles, which remind the owner: live.
Many people have encountered "returning to the light", the original weak family, suddenly at a certain moment of consciousness, can drink and eat, the face is rosy, as if the illness is about to get better, but it did not take long to die. Is it imaginary or real?
It is safe to say that the return to the light does exist. At present, the specific mechanism of returning light is still being studied, but scientists have found that this is mainly related to hormones secreted by the adrenal glands.
The adrenal glands are a pair of endocrine glands that can be divided into cortex and medulla, the cortex can be anti-inflammatory, antiviral, anti-allergic, etc., and the medulla can excite the heart, constrict blood vessels, raise blood pressure, etc.
In a near-death situation, the brain will take emergency measures to secrete various hormones that can cope with death. Therefore, some people will suddenly have a better spirit, hungry stomach and want to eat, clear speech, etc.
At the same time, adenosine triphosphate in human cells has the effect of energy storage and energy supply, when people are dying, adenosine triphosphate will release huge energy, making people show sudden vitality. Nevertheless, the return to the light is a flash in the pan after all, can only last a short time, and finally life will come to an end.
Before dying, people face the fear of death, physical torture, and the reluctance of their relatives, and they are already very painful physically and mentally. Therefore, as relatives should let them leave "easily". When the dying person has the following symptoms, we should respond correctly to alleviate their suffering.
1. Difficulty breathing
Open the windows of the room for ventilation, or turn on the fan to give a little wind and let the air in the room circulate.
2. Make a throat sound
Let the patient maintain a lying position on their sides, raise the pillow a little higher, and try not to use a suction device to avoid increasing pain.
3, the body becomes cold
Cover a thin quilt, do not cover too thick, otherwise it will make the patient feel overwhelmed.
People are inherently dead, and in the face of the death that will eventually come, we should learn how to face it correctly. If the relatives have the phenomenon of "returning to the light and returning to the light", we must be mentally prepared, take advantage of the fact that the relatives are awake, do what should be done well, and express the emotions that should be expressed in time, leaving no regrets.
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Resources: [1] Before people die, why do they appear to "return to the light"? The scientific explanation is coming. family doctor. 2020-08-20 [2] Before dying, do people really "return to the light"? 2020-12-15 Chen Zhichao. Recognize the four major terminal symptoms and appropriate clinical treatment[J]. Physician Online, 2018, 8(32):1.
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