Why do they die in their sleep? Sudden death due to cardiac causes: from acute coronary insufficiency and others

Sudden Unexplained Adult Death Syndrome (SUAD) was first recognized as independent disease in the 1980s, when the American Center for Disease Control in Atlanta (USA) recorded an unusually high (25 per 100,000 people) rate of sudden mortality in young people, mainly from Southeast Asia. Death occurred mainly at night; autopsy did not reveal damage to the heart muscle or coronary vessels. Almost all of the dead were men between 20 and 49 years old. Moreover, in most cases, young people did not have overweight, they did not abuse smoking, alcohol, or drugs.

When comparing these data with statistics accumulated in the countries of Southeast Asia and Far East, it was noted that sudden nocturnal deaths in this region are significantly common. at a young age(per year from 4 to 10 cases per 10,000 inhabitants, including in Laos - 1 case per 10,000 inhabitants; in Thailand - 26-38 per 100,000). Interestingly, this disease has hardly been described in African-Americans.

The first description of SVNS in medical literature appeared in 1917 in the Philippines, where it was called bangungut. In 1959, a report from Japan named the syndrome pokkuri. He was written about in Laos, Vietnam, Singapore and throughout Asia.

In 65% of cases, death occurs in front of witnesses; the remaining victims are found in positions of sleep and rest. In cases where people were present, 94% of deaths were observed within an hour of the onset of the agony. Immediately before death, all of his victims do not show any somatic complaints, so their tragic, sudden death is a real shock for loved ones. Most victims of the syndrome die from ventricular arrhythmia, sometimes after several minutes of agony. Witnesses describe how the person initially sleeps normally, but then, out of the blue, begins to moan, wheeze, snore strangely, gasp, and ultimately dies. Attempts to wake a person in most cases are futile.

Accumulated to date medical facts with a high degree of probability indicate that SVNS most likely represents not one, but several diseases. In modern clinical medicine a number of diseases and syndromes are identified that are closely associated with high risk sudden death at a young age. These include sudden infant death syndrome, long QT syndrome, sudden unexplained death syndrome, arrhythmogenic right ventricular dysplasia, idiopathic ventricular fibrillation, Brugada syndrome and a number of others.

Taking into account the fact that the probability of SVNS among family members of the deceased is about 40%, which allows us to hope for the identification of specific genetic markers this group of diseases. Thus, the inheritance of Brugado syndrome presumably has an autosomal dominant path with damage to the SCN5a gene on the 3rd chromosome. The same gene is affected in patients with the third molecular genetic variant of long QT interval syndrome (LQT3) and Lenegra syndrome - diseases also associated with a high risk of sudden arrhythmogenic death.

At present it is sufficiently defined large number risk factors that increase a person's chance of developing sudden cardiac arrest and sudden coronary death. Risk factors for development coronary disease hearts are smoking, cardiovascular diseases in the family history and increased level cholesterol.

Risk factors for sudden cardiac arrest?

Previous heart attack with a large area of myocardial damage (75% of cases of sudden coronary death are associated with suffered a heart attack myocardium).
In the first six months after acute heart attack myocardium, the risk of developing sudden coronary death is increased.
Coronary heart disease (80% of sudden coronary death cases are associated with this disease).
Ejection fraction less than 40% in combination with ventricular tachycardia.
Previous episodes of sudden cardiac arrest.
Family history of sudden cardiac arrest or sudden coronary death.
Personal or family history of disorders heart rate, including short or long QT syndrome, Wolf-Parkinson-White syndrome, too low frequency heart palpitations or heart block.
Ventricular tachycardia or ventricular fibrillation that developed after heart attack.
Congenital heart defects and blood vessel abnormalities.
Episodes of syncope (loss of consciousness of unknown cause).
Heart failure: a condition in which the pumping function of the heart is weakened. Patients with heart failure are 6 to 9 times more likely to develop ventricular arrhythmias, which can lead to sudden cardiac arrest.
Dilated cardiomyopathy (causes sudden coronary death in 10% of cases), due to a decrease in the pumping function of the heart.
Hypertrophic cardiomyopathy: thickening of the heart muscle, especially in the ventricles.
Significant changes in blood potassium and magnesium levels (for example, when using diuretics), even in the absence of any heart disease.
Obesity.
Diabetes mellitus.
Drug use.
Reception antiarrhythmic drugs may increase the risk of developing life-threatening arrhythmias.

Probably many would answer the question “how would you prefer to die?” They took me away - “to fall asleep and not wake up.” Indeed, such a transition to another world can be called painless, and, perhaps, the most desirable, but... Death is natural process, the cause of death is not always natural. Accidents, traffic accidents and much more, which often does not give a healthy person a chance to survive, who in other circumstances could well live to old age and die a natural death. If we put aside the causes of violent death, then what is the likelihood of dying in a dream and who is predisposed to this?

There are 24 hours in a day and we spend almost a third of them sleeping. If we think logically, then the probability of dying in our sleep due to “natural causes” is 1 chance out of 3. The indicator is quite high, but medical luminaries are more concerned about something else. There are deaths in sleep that defy scientific explanation and for which there is still no answer. It's called sudden and unexplained death syndrome (SUDS).

It has been noted that this phenomenon is most often observed in adults, in particular among Asian men. Nobody knows what this is connected with and why men of a certain age and origins are subject to such death. In the 80s, this reason was named the main one and even took the lead, taking it away from sudden infant mortality, as a result of which children under one year died for unknown reasons.

In 1917, for the first time, information about SVNS was published in the medical literature, which occurred in the Philippines and was called bangungut. Subsequently, for unknown reasons, similar deaths began to be recorded in Japan, Singapore, Laos and throughout Asia. An interesting fact is that before death a person does not experience any symptoms indicating illness, disease or any other factors. The man is in good health, and therefore his sudden death is simply a shock to his family and friends. According to eyewitnesses, the man first sleeps peacefully, and then suddenly begins to moan, snore unnaturally, suffocate and dies. Similar signs Doctors call it agonal or near-death. Even if the relatives managed to wake up the unfortunate man, this did not save him from death. At a subsequent autopsy, pathologists did not find any pathologies that could lead to death, including no signs of poisoning, allergies or hidden murder.

So unusual phenomenon It didn’t go unnoticed by scientists, and in 1992 they conducted a two-year study in Thailand, studying the causes and likelihood of death in sleep in other groups of the population. They managed to find out the following:

All deaths from SVNS were male;

Age from 20 to 49 years;

No one was overweight;

No serious illnesses were reported during the previous year; everyone was in good health;

Alcohol, smoking, drugs or other risk factors did not threaten their lives;

Throughout the entire day preceding death, they were observed normal performance;

After the onset of agony, the person died within 24 hours;

Although death occurred in a dream, in 63% of cases it occurred in front of relatives or friends; in other cases, men were found in positions of sleep and rest;

In 94% of cases where witnesses were present, death occurred within one hour.

When asked what the probability of sudden death among family members of the deceased was, it was found to be about 40%. In 19% of those killed, the man's relatives died the same way. It is also interesting that the occurrence of such cases fatal outcome, not the same throughout the year. The greatest peak occurs between March and May, and very rarely from September to November. This gives the impression of being a seasonal phenomenon.

The reasons why men pass away in Thailand have not yet been found, and therefore SVNS is considered a “potentially serious problem” public health" Along with murder, poisoning, accidents and heart attacks, the syndrome kills about 3,000 men a year, aged 20 to 50.

One of possible reasons Such death is considered to be a combination of physical and mental stress, which for some reason trigger the SVNS mechanism. But not all scientists share this point of view, because they do not find evidence base, and therefore the reasons remain unclear.

If you do not take into account the SVNS, which according to for unknown reasons, takes the lives of a certain group of the population, then what is the likelihood of other people dying in their sleep.

If death comes at the end life path, then this is natural, but very often it threatens those who are too early to visit the “bright tunnel”. This threat is very real for people who snore in their sleep. They do not take it seriously and believe that they do not snore because they do not hear it themselves, but only learn from the words of close people.

Brief pauses in breathing during sleep are called apnea. Who is observed similar phenomena, the risk of sudden death increases 2-3 times. It is precisely these stops that “those who like to snore” are often subject to.

During sleep, a sleeping person stops breathing. Such moments can be observed up to 10 times in 1 hour! This leads to a slowdown in heart rate, the level of oxygen in the blood drops, and the oxygen level in the blood rises sharply and strongly. blood pressure, adrenaline is released. All this can provoke severe attack arrhythmias, stroke or heart attack. At such moments, it is common for a person to wake up, but, unfortunately, this does not always happen.

Do not put off visiting your doctor if you are experiencing following symptoms: you snore in your sleep; have difficulty falling asleep and sleeping; you sweat a lot; often get up at night to go to the toilet; During the day you feel overwhelmed.

Don't rush to die - you still have a lot to do on earth!

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Why do people die in their sleep?

There is no secret in this. If people sleep for about 8 hours every day and die from “ natural causes", then in 1 out of 3 cases they die in their sleep. However, in addition to this, there are strange deaths, directly related to sleep, they still put medical science at a dead end and defy scientific explanation. This phenomenon is called sudden and unexplained death syndrome (SUDS). SIDS occurs among adults and is especially common among Asian men. No one knows why this phenomenon is most common in men and why Asians are so susceptible to it. The U.S. Centers for Disease Control in Atlanta named SIDS as the leading cause of death among young Southeast Asian men who fled to the United States in the early 1980s. SVDS has even been called sudden adult death syndrome, by analogy with sudden infant death, which is the leading cause of death in children under 1 year of age in Australia.

The first description of SVNS in medical literature appears in 1917 in the Philippines, where it was called bangungut. In 1959, a report from Japan named the syndrome pokkuri. He was written about in Laos, Vietnam, Singapore and throughout Asia. The syndrome is known by different names, but it is still the same strange one, unexplained phenomenon. Immediately before his death, all of his victims are in good health. Their tragic sudden death comes as a real shock to their loved ones. The family often remains in poverty, since it was the deceased husband who brought money into the house. Witnesses say that at first the victim sleeps normally, and then, out of the blue, begins to moan, wheeze, snore strangely, suffocate, and ultimately dies. Doctors call these agonal signs. Most victims of the syndrome die from ventricular arrhythmia, sometimes after several minutes of agony. The ventricles are small cavities at the bottom of the heart, and arrhythmia is a local involuntary contraction of the muscle. Sometimes loved ones tried to wake up the suffering person. However, even if this was possible, it turned out to be useless - the person still died. When they did an autopsy, they found no life-threatening pathologies, no signs of accidental poisoning, allergies or homicide.

In 1992, seven scientists wrote about their two-year study of SVNS in northeastern Thailand. They pointed out that the typical model of SVNS is the following: after agonal signs, a person dies within 24 hours; he is usually between 20 and 49 years old, he has no “a history of serious illness, good health during the previous year, and normal performance during the day before death” 16. Scientists add that “in 63% of cases, death occurred in front of witnesses, and the remaining victims were found in sleeping and resting positions. In cases where people were present, 94% of deaths were observed within an hour of the onset of the agony. All the people who died from SVNS were men...” U dead people was normal weight. Smoking, drugs, alcohol, and others possible factors there was no risk to their lives.

Interestingly, the probability of SIDS among family members of the deceased was 40.3%. 18.6% of victims had brothers who also died suddenly, but none had sisters who died in this manner. SVNS gives the impression of being a seasonal phenomenon.

At least in Thailand to the greatest extent people are susceptible to it during March - May, and rarely die in September - November. Researchers note that in Thailand, SVNS is now becoming "a potentially serious public health problem." This syndrome kills approximately 3,000 men a year between the ages of 20 and 49 and is considered one of the leading causes of death in this world. age group along with accidents, poisonings, murders and heart attacks.

It is not surprising that in the absence scientific explanation of this syndrome, superstitions are widespread in towns and villages. Researchers say that people in rural areas of northeastern Thailand call SVNS laithai (“death in sleep”). The local explanation for laitai is that the “widow ghost” seeks the souls of young men. Having found the soul, she waits for the man to fall asleep and then kidnaps it, followed by sudden death. Scientists indicate that “Fear of laitai and the ‘ghost widow’ is widespread in northeastern Thailand, with rituals emerging that include disguising sleeping men with women’s cosmetics, nail polish and bed clothes.”

One hypothesis regarding sudden death syndrome is that a combination of physical and mental stressors may somehow trigger SIDS. As an example, one 1978 study cited psychological factors as triggers for associated heart disease. However, other scientists consider this point of view very controversial 17.

“Ghost Widow” or something else, but SVNS remains a secret for now 18.

It is estimated that over the past three and a half millennia there have been only 230 peaceful years in the civilized world.

If the same mortality rate were maintained today as it was in 1900, more than half the people now inhabiting the planet would be dead.

Famous last words French President Charles de Gaulle's words were: "It hurts."

In World War II, killing each enemy soldier cost the Triple Alliance $300,000.

Under British law passed in 1845, attempting suicide is a crime punishable by death.

Nowadays, only one person out of 2 billion lives to be 116 years or more.

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Sudden death due to cardiac causes: from acute coronary insufficiency and others

Sudden cardiac death (SCD) is one of the most severe cardiac pathologies, which usually develops in the presence of witnesses, occurs instantly or in short period time and has as the main cause the coronary arteries.

The factor of surprise plays a decisive role in making such a diagnosis. As a rule, in the absence of signs of an impending threat to life, instantaneous death occurs within a few minutes. A slower development of the pathology is also possible, when arrhythmia, heart pain and other complaints appear, and the patient dies in the first six hours from the moment of their occurrence.

The greatest risk of sudden coronary death is observed in people 45-70 years old who have some form of disturbances in the blood vessels, heart muscle, and its rhythm. Among young patients, there are 4 times more men; in old age, men are susceptible to pathology 7 times more often. In the seventh decade of life, gender differences are smoothed out, and the ratio of men and women with this pathology becomes 2:1.

Most patients sudden stop hearts are found at home, a fifth of cases occur on the street or in public transport. In both places there are witnesses to the attack who can quickly call an ambulance, and then the likelihood of a positive outcome will be much higher.

Saving a life may depend on the actions of others, so you cannot simply walk past a person who has suddenly fallen on the street or lost consciousness on a bus. You need to at least try to carry out the basic - indirect massage hearts and artificial respiration, having first called doctors for help. Cases of indifference are not rare, unfortunately, and therefore the percentage of unfavorable outcomes due to late resuscitation occurs.

Causes of sudden cardiac death

the main cause of SCD is atherosclerosis

The causes that can cause acute coronary death are very numerous, but they are always associated with changes in the heart and its blood vessels. The lion's share of sudden deaths occurs when coronary arteries fatty tissues are formed, obstructing blood flow. The patient may not be aware of their presence, may not make any complaints as such, then they say that it is completely healthy person died suddenly of a heart attack.

Another cause of cardiac arrest may be acutely developed, in which proper hemodynamics are impossible, the organs suffer from hypoxia, and the heart itself cannot withstand the load and.

The causes of sudden cardiac death are:

Coronary heart disease;
Congenital anomalies coronary arteries;
arteries with endocarditis, implanted artificial valves;
Spasm of the arteries of the heart, both against the background of atherosclerosis and without it;
for hypertension, defect,;
Metabolic diseases (amyloidosis, hemochromatosis);
Congenital and acquired;
Heart injuries and tumors;
Physical overload;
Arrhythmias.

Risk factors have been identified when the likelihood of acute coronary death becomes higher. The main such factors include ventricular tachycardia, a previous episode of cardiac arrest, cases of loss of consciousness, previous history, reduction of the left ventricle to 40% or less.

Secondary, but also significant conditions under which the risk of sudden death is increased are considered concomitant pathology, in particular, diabetes, obesity, myocardial hypertrophy, tachycardia more than 90 beats per minute. Smokers and those who neglect physical activity and, conversely, athletes. With excessive physical exertion, hypertrophy of the heart muscle occurs, a tendency to rhythm and conduction disturbances appears, so death from a heart attack is possible in physically healthy athletes during training, a match, or competitions.

Diagram: distribution of causes of SCD at a young age

For more careful monitoring and targeted examination groups of people at high risk of SCD have been identified. Among them:

Patients who have undergone resuscitation due to cardiac arrest or;
Patients with chronic failure and cardiac ischemia;
Persons with electric;
Those diagnosed with significant cardiac hypertrophy.

Depending on how quickly death occurred, instant cardiac death and rapid death are distinguished. In the first case, it occurs in a matter of seconds and minutes, in the second - within the next six hours from the onset of the attack.

Signs of sudden cardiac death

In a quarter of all cases of sudden death of adults, there were no previous symptoms; it occurred without obvious reasons. Other One to two weeks before the attack, patients noted a deterioration in their health in the form of:

More frequent painful attacks in the region of the heart;
Rise ;
A noticeable decrease in performance, feelings of tiredness and fatigue;
More frequent episodes of arrhythmia and interruptions in cardiac activity.

Before cardiovascular death pain in the heart area increases sharply, many patients manage to complain about it and experience strong fear, as happens with myocardial infarction. Maybe psychomotor agitation, the patient grabs the area of the heart, breathes noisily and quickly, catches air with his mouth, sweating and redness of the face are possible.

Nine out of ten cases of sudden coronary death occur outside the home, often against the backdrop of strong emotional distress or physical overload, but it happens that the patient dies from acute coronary pathology in a dream.

When ventricular fibrillation and cardiac arrest occur during an attack, severe weakness appears, dizziness begins, the patient loses consciousness and falls, breathing becomes noisy, and convulsions are possible due to deep hypoxia of the brain tissue.

On examination, pale skin is noted, the pupils dilate and stop responding to light, heart sounds cannot be heard due to their absence, the pulse is large vessels also not defined. In a matter of minutes, clinical death occurs with all its characteristic signs. Since the heart does not contract, the blood supply to everyone is disrupted. internal organs, therefore, within a few minutes after loss of consciousness and asystole, breathing disappears.

The brain is most sensitive to a lack of oxygen, and if the heart is not working, then 3-5 minutes are enough for its cells to begin irreversible changes. This circumstance requires immediate resuscitation measures, and the sooner chest compressions are provided, the higher the chances of survival and recovery.

Sudden death due to accompanying atherosclerosis of the arteries, then it is more often diagnosed in older people.

Among young such attacks can occur against the background of spasm of intact blood vessels, which is facilitated by the use of certain narcotic drugs(cocaine), hypothermia, overwhelming physical activity. In such cases, the study will show no changes in the vessels of the heart, but myocardial hypertrophy may well be detected.

Signs of death from heart failure in acute coronary pathology will be pallor or cyanosis of the skin, rapid enlargement of the liver and neck veins, possible pulmonary edema, which is accompanied by shortness of breath up to 40 breathing movements per minute, severe anxiety and convulsions.

If the patient has already suffered from chronic organ failure, but edema, cyanosis of the skin, an enlarged liver, and expanded borders of the heart during percussion may indicate a cardiac origin of death. Often, when the ambulance team arrives, the patient’s relatives themselves indicate the presence of a previous chronic illness; they can provide doctors’ records and hospital extracts, then the diagnostic issue is somewhat simplified.

Diagnosis of sudden death syndrome

Unfortunately, cases of post-mortem diagnosis of sudden death are not uncommon. Patients die suddenly, and doctors can only confirm the fact of a fatal outcome. At the autopsy, they do not find any pronounced changes in the heart that could cause death. The unexpectedness of what happened and the absence traumatic injuries speak in favor of the coronarogenic nature of the pathology.

After the arrival of the ambulance team and before the start of resuscitation measures, the condition of the patient, who by this time is already unconscious, is diagnosed. Breathing is absent or too rare, convulsive, the pulse cannot be felt, heart sounds cannot be detected on auscultation, the pupils do not respond to light.

The initial examination is carried out very quickly, usually a few minutes are enough to confirm the worst fears, after which doctors immediately begin resuscitation.

Important instrumental method Diagnosis of SCD is an ECG. With ventricular fibrillation, erratic waves of contractions appear on the ECG, the heart rate is above two hundred per minute, and soon these waves are replaced by a straight line, indicating cardiac arrest.

With ventricular flutter, the ECG recording resembles a sinusoid, gradually giving way to random fibrillation waves and an isoline. Asystole characterizes cardiac arrest, so the cardiogram will show only a straight line.

Upon successful resuscitation prehospital stage, already in a hospital setting the patient will face numerous laboratory examinations, starting with routine urine and blood tests and ending with toxicological testing for certain drugs that can cause arrhythmia. Will definitely be held daily monitoring ECG, ultrasound examination heart, electrophysiological study, stress tests.

Treatment of sudden cardiac death

Since sudden cardiac death syndrome causes cardiac arrest and respiratory failure, the first step is to restore the functioning of life support organs. Emergency care should be started as early as possible and includes cardiopulmonary resuscitation and immediate transport of the patient to the hospital.

At the prehospital stage, resuscitation options are limited; it is usually carried out by specialists emergency care who find the patient in the most different conditions– on the street, at home, in the workplace. It’s good if at the time of the attack there is a person nearby who knows her techniques - artificial respiration and chest compressions.

Video: Performing basic cardiopulmonary resuscitation

Ambulance team after diagnosis clinical death begins indirect cardiac massage and artificial ventilation lungs with an Ambu bag, provides access to a vein into which medications can be administered. In some cases, intratracheal or intracardiac administration of drugs is practiced. It is advisable to administer drugs into the trachea during intubation, and the intracardiac method is used most rarely - when it is impossible to use others.

In parallel with the main resuscitation actions, an ECG is taken to clarify the causes of death, the type of arrhythmia and the nature of the heart’s activity in at the moment. If ventricular fibrillation is detected, then the most the best method its relief will become, and if the necessary device is not at hand, then the specialist delivers a blow to the precordial area and continues resuscitation measures.

defibrillation

If cardiac arrest is determined, there is no pulse, and there is a straight line on the cardiogram, then during general resuscitation the patient is given any in an accessible way adrenaline and atropine at intervals of 3-5 minutes, antiarrhythmic drugs, cardiac pacing is established, after 15 minutes sodium bicarbonate is added intravenously.

After the patient is admitted to the hospital, the fight for his life continues. It is necessary to stabilize the condition and begin treatment of the pathology that caused the attack. May need surgery, the indications for which are determined by doctors in the hospital based on the results of examinations.

Conservative treatment includes the administration of drugs to maintain blood pressure, heart function, and normalize electrolyte metabolism disorders. For this purpose, beta blockers, cardiac glycosides, antiarrhythmic drugs, antihypertensive drugs or cardiotonics, infusion therapy:

Lidocaine for ventricular fibrillation;
Bradycardia is treated with atropine or isadrine;
Hypotension is a reason for intravenous administration dopamine;
Fresh frozen plasma, heparin, aspirin are indicated for DIC syndrome;
Piracetam is administered to improve brain function;
For hypokalemia - potassium chloride, polarizing mixtures.

Treatment in the post-resuscitation period lasts about a week. At this time, electrolyte disturbances, disseminated intravascular coagulation syndrome, neurological disorders, so the patient is admitted to the intensive care unit for observation.

Surgical treatment may involve radiofrequency ablation of the myocardium - for tachyarrhythmias, the effectiveness reaches 90% or higher. If there is a tendency to atrial fibrillation, a cardioverter-defibrillator is implanted. Diagnosed atherosclerosis of the heart arteries as a cause of sudden death requires valvular heart surgery.

Unfortunately, it is not always possible to provide resuscitation measures within the first few minutes, but if it was possible to bring the patient back to life, then the prognosis is relatively good. As research data show, the organs of people who have suffered sudden cardiac death do not have significant and life-threatening changes, therefore maintenance therapy in accordance with the underlying pathology allows them to live for a long time after coronary death.

Prevention of sudden coronary death is needed for people with chronic diseases cardiovascular system, which can cause an attack, as well as those who have already survived it and were successfully resuscitated.

To prevent a heart attack, a cardioverter defibrillator may be implanted, which is especially effective for serious arrhythmias. At the right moment, the device generates the impulse the heart needs and does not allow it to stop.

Requires medication support. Beta blockers and blockers are prescribed calcium channels, products containing omega-3 fatty acids. Surgical prophylaxis consists of operations aimed at eliminating arrhythmias - ablation, endocardial resection, cryodestruction.

Nonspecific measures to prevent cardiac death are the same as for any other cardiac or vascular pathology – healthy image life, physical activity, refusal bad habits, proper nutrition.

Video: Presentation on Sudden Cardiac Death

Video: lecture on the prevention of sudden cardiac death

Adults are a phenomenon that takes root in daily life modern man. It is happening more and more often. But no one can say for sure that the deceased was seriously ill. That is, in fact, death occurs suddenly. There are a number of reasons and risk groups that can influence this phenomenon. What does the public need to know about sudden death? Why does it occur? Is it possible to somehow avoid it? All features will be presented below. Only if you know all the currently known information about the phenomenon can you try to somehow avoid a collision with a similar situation. In fact, everything is much more complicated than it seems.

Description

Sudden adult death syndrome is a phenomenon that became widespread in 1917. It was at this moment that such a term was first heard.

The phenomenon of death, and causeless death, of a person with good health. Such a citizen, as already mentioned, did not have any serious illnesses. In any case, the person himself did not complain of any symptoms, and also did not receive treatment from a doctor.

Accurate definition this phenomenon No. Exactly the same as the real mortality statistics. Many doctors argue about the reasons why this phenomenon occurs. Sudden adult death syndrome is a mystery that is still unsolved. There are many theories according to which they die. More about them below.

Risk group

The first step is to figure out who is most often exposed to the phenomenon being studied. The thing is that sudden adult death syndrome occurs quite often in Asians. Therefore, these people are at risk.

SIDS (sudden unexplained death syndrome) is also often observed in people who work a lot. That is, workaholics. In any case, this is the assumption made by some doctors.

The risk group includes, in principle, all people who:

unhealthy family environment;
hard work;
constant stress;
available serious illnesses(but then usually death is not sudden).

Accordingly, the majority of the planet's population is exposed to the phenomenon being studied. No one is safe from it. According to doctors, during an autopsy it is impossible to establish the cause of a person’s death. This is why death is called sudden.

However, as already mentioned, there are several assumptions according to which the mentioned phenomenon occurs. Sudden death syndrome in an adult can be explained by several methods. What assumptions exist regarding this topic?

Man vs chemistry

The first theory is the effect of chemistry on the human body. Modern people surrounded by a variety of chemicals. They are everywhere: in furniture, medicines, water, food. Literally at every step. Especially in food.

There is very little natural food. Every day the body receives huge doses of chemicals. All this cannot pass without a trace. And so sudden adult death syndrome occurs. The body simply cannot withstand the next charge of chemistry that surrounds modern man. As a result, life activity ceases. And death comes.

The theory is supported by many. After all, as practice has shown, over the last century, unexplained deaths have begun to occur quite often. It was during this period that the progress of human development was observed. Therefore, we can consider the impact of environmental chemicals on the body as the first and most likely cause.

Waves

The following theory can also be scientifically explained. It's about about electromagnetic waves. It's no secret that a person has been under the influence of magnetism all his life. Pressure surges are very well felt by some people - they begin to feel bad. This proves negative impact electromagnetic waves per person.

At the moment, scientists have proven that the Earth is the second most powerful planet in the world producing radio emissions. solar system. The body, being constantly in such an environment, suffers some kind of malfunction. Especially in combination with exposure to chemicals. And this is where sudden adult death syndrome arises. Actually electromagnetic waves force the body to stop performing functions to ensure human life.

It's all about breathing

But the following theory may seem somewhat unconventional and even absurd. But it is still actively promoted around the world. Quite often, sudden death syndrome occurs during sleep in an adult. Regarding this phenomenon, some put forward incredible assumptions.

The point is that during sleep the human body functions, but in an “economical” mode. And a person dreams during such periods of rest. Horror can cause the body to refuse to function. More precisely, breathing is impaired. It stops because of what it sees. In other words, out of fear.

That is, a person does not realize in a dream that everything that is happening is not reality. As a result, he dies in life. As already said, a somewhat incredible theory. But it does happen. By the way, sudden death syndrome in infants during sleep is explained in a similar way. Scientists say that if, while resting, a child dreams that he is in the womb, then breathing will stop. And the baby “forgets” to breathe, since oxygen must be supplied to him through the umbilical cord. But all this is just speculation.

Infection

What else can you hear? What are the causes of sudden adult death syndrome? The following assumption generally looks like a fairy tale. But it is sometimes expressed.

As already said, an incredible, fabulous theory. There is no need to believe this assumption. Rather, such a story is an ordinary “scarecrow”, which was invented in order to somehow explain sudden death syndrome in adults.

Overwork

Now some information that is more like the truth. The thing is that, as already mentioned, Asians are at risk of people susceptible to sudden death syndrome. Why?

Scientists have put forward a certain assumption. Asians are people who work constantly. They work very hard. And so the body at one point begins to deplete. It “burns out” and “turns off.” As a result, death occurs.

That is, in fact, the sudden death of an adult occurs due to the fact that the body is overworked. Work is often to blame for this. As statistics show, if you pay attention to Asians, many die right at work. Therefore, you should not work to exhaustion all the time. This pace of life has a negative impact on health. A person does not show any other signs other than fatigue.

Stress

Also among the most common theories regarding death without cause is stress. Another assumption that you can believe in. As already mentioned, people who are constantly in a nervous environment not only have a high risk of disease and cancer, they are also classified as a high-risk population that may experience sudden death syndrome.

The theory is explained in almost the same way as in the case of permanent job and stress - the body “wears out” from stress, then “switches off” or “burns out.” As a result, death occurs without any visible reasons. The effects of stress cannot be detected at autopsy. Exactly the same as negative impact intense, systematic and continuous work.

Results

What conclusions follow from all of the above? Sudden night death syndrome, as well as daytime death in adults and children, is an unexplained phenomenon. Exists huge amount various theories that allow one or another group of people to be classified as at risk. Doctors and scientists to this day cannot find an exact explanation for this phenomenon. Just like putting forward a clear definition of sudden death syndrome.

Only one thing is clear - so that it doesn’t happen high risk die for no apparent reason, you need to lead a healthy lifestyle, worry less and rest more. In modern conditions, bringing an idea to life is very problematic. In any case, doctors recommend at least minimizing tension and the amount of stress. Workaholics need to understand that they also need to rest. Otherwise, such people may die suddenly.

If you lead as healthy a lifestyle as possible, the likelihood of sudden death is minimized. Every person should remember this. No one is immune from the mentioned phenomenon. Scientists are trying to study it as best as possible and find exact reason the appearance of this phenomenon. So far, as has already been emphasized, this has not been done. All that remains is to believe numerous theories.