Influence of pressure on the human body – tell us in detail

The influence of atmospheric pressure on the human body

Altayeva, N.K. The influence of atmospheric pressure on the human body / N.K. Altayeva, M.S. Batyrgalieva. – Text : direct // Young scientist. – 2019. – № 20 (258). – С. 160-161. – URL: https://moluch.ru/archive/258/59092/ (date of reference: 21.09.2022).

Influence of atmospheric pressure fluctuations on the human body.

For normal functioning of the organism the atmospheric pressure must be not less than 750 mm Hg.

When the atmospheric pressure varies by at least 10 mm, there is a negative impact on the activity of human organs and systems.

A person being in an area of high pressure, for example, in the mountains, taking off an airplane, often experiences pain in the ears and even in the whole body. The external pressure is sharply reduced and the air inside the body begins to expand, putting pressure on various organs and causing pain.

Altitude(km)

Zone and its characteristics

Death Zone: a person can stay at this altitude without breathing, about 3 minutes.

Critical zone: serious disruption of the body’s vital functions.

Zone of incomplete compensation: impairment of bodily functions.

Full compensation zone: deformation of the cardiovascular system and sensory organs.

Safe zone: no significant changes in the physiological state of the body.

When the pressure increases, there is an intensive absorption of gases, and when it decreases – the release of dissolved gases. When the pressure decreases due to the release of gases, the blood boils and this leads to vascular occlusion, often with a fatal outcome.

What happens when the atmospheric pressure decreases?

When atmospheric pressure decreases, humidity increases, which can lead to precipitation and an increase in air temperature.

The first people to feel a decrease in atmospheric pressure in the air are people with low blood pressure – hypotonics and people with diseases of the cardiovascular and respiratory systems.

The most common symptoms are general weakness, shortness of breath, and shortness of breath.

People with elevated intracranial pressure feel the decrease in atmospheric pressure most strongly. They have worsening migraine attacks. The digestive tract undergoes changes – there is discomfort in the intestines due to increased gas formation.

The impact of low atmospheric pressure on the body.

When you ascend to altitude, the atmospheric pressure decreases: the higher above sea level, the lower the atmospheric pressure.

When the atmospheric pressure decreases, breathing becomes more frequent and deeper, heart rate increases, blood pressure drops, changes in the blood in the form of an increased number of red blood cells are noted.

Low atmospheric pressure is quite rare, and in some conditions it can lead to rather serious consequences – “mountain sickness”. This disease is based on oxygen starvation of body tissues, in which there is an increase in carbon dioxide levels. The blood vessels of the organ react to the increased concentration of carbon monoxide, which significantly increases the pressure in the large circulatory system.

Oxygen deprivation affects brain cells, which causes dizziness, nausea, vomiting, impaired movement coordination, decreased memory, and drowsiness. Lack of oxygen is reflected in muscle weakness and rapid fatigue.

The main preventive measures when working in an area of low pressure are the use of filters for inhaling pure oxygen, and the use of warm and comfortable clothing.

Of great importance is the choice of occupation associated with working in an environment of low partial oxygen content, regular medical check-ups, constant training in a room with high oxygen content in the air.

Recommendations for low blood pressure.

  1. Normalize blood pressure and keep it at optimal levels.
  2. Drink plenty of fluids.
  3. Drink coffee in the morning.
  4. Take tinctures of ginseng and magnolia-vine.
  5. Take a douche after a day’s work.

Effect of high atmospheric pressure on the body.

Elevated atmospheric pressure by itself is not dangerous for the human body and does not cause dysfunction of human organs, if you follow the safety rules. But if it turns out to be at work, in a confined space that does not communicate directly with the environment: the construction of underwater tunnels, subway, during diving operations. So there is a slight decrease in pulse rate and minimum blood pressure, breathing becomes less frequent, hearing and smell are reduced, the voice becomes muffled, there is a feeling of numbness of the skin, dry mucous membranes, compression of intestinal gases.

Recommendations for high blood pressure.

  1. Normalize blood pressure and keep it at optimal levels.
  2. Exercise in the morning.
  3. Take a contrast shower.
  4. Eat foods that contain potassium (cottage cheese, apricots, bananas).
  5. Avoid overeating during the day.
  1. How the atmospheric pressure affects people and the body. // SOVETS.NET. URL: https://sovets.net/15427-kak-atmosfernoe-davlenie-vliyaet-na-cheloveka.html (accessed 11.05.2019).
  2. Influence of atmospheric pressure on human health. // Studbooks.net.URL:https://studbooks.net/1851481/meditsina/vliyanie_atmosfernogo_davleniya_zdorove_cheloveka (accessed 11.05.2019).
  3. How atmospheric pressure affects human and organism // GAZATO.RU. URL: https://gazato.ru/ochen-vysokoe-atmosfernoe-davlenie-vliyanie-na-cheloveka-kak-atmosfernoe.html (accessed 11.05.2019).
  4. Atmospheric pressure // allbest. URL: https://revolution.allbest.ru/physics/00734056_0.html (accessed 11.05.2019).
  5. Lorenz E. N. Nature and theory of the general circulation of the atmosphere. L.: Gidrometeoizdat, 1970. 260 с.

Basic terms (generated automatically) : atmospheric pressure, low atmospheric pressure, blood pressure, contrast shower, optimal level, human body, elevated atmospheric pressure, body condition.

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Consequences of high blood pressure

The consequences of high blood pressure can provoke a stroke and other irreversible diseases, it is important to be aware of this and be able to prevent its occurrence.

Disease Definition

Faced with hypertension, many people let the disease go on its own, not thinking about how serious the consequences of high blood pressure can be (the same applies to not taking stabilizing medications at a time of feeling better). In addition, researchers have proven that the disease can also run in a hidden form, and given the schedule of the unaware of the disease, he tries to spend his free time at home, rather than going to hospitals (because of regular, but not significant dizziness and pain), which leads to severe consequences and complications of the disease.

Arterial hypertension is a cardiovascular disease that is common in all countries of the world. It narrows the walls of blood vessels, preventing the passage of blood within them, and causes internal resistance. Consequently, the tonometer readings show values exceeding 120/80, and the patient’s condition worsens significantly: pain in the chest and head, general weakness, dizziness, numbness and other symptoms appear.

An increase in blood pressure can be compared to, say, watering a vegetable garden. If a rubber hose is filled with a very large volume of water, it will not be able to withstand the internal pressure and will become unusable. The same applies to the vessels, which expand from the pressure of the blood, they can burst. This is the danger of increased pressure inside the arteries.

Consequently, regular intravascular pressure provokes a number of abnormalities in the performance of the body, which have been investigated by doctors and officially recognized as diseases throughout the world.

Progressive hypertension causes the following problems:

  • Heart and kidney failure.
  • Tachycardia.
  • Arrhythmia.
  • Vascular dystonia.
  • Brain abnormalities associated with impaired memory and speech.
  • Myocardial infarction.
  • Intracranial and eye pressure.
  • Stroke.
  • Varicose veins (may additionally provoke elephantiasis).
  • Thrombosis.
  • Atherosclerosis.
  • Decreased vision.

With a prolonged increase in intravascular pressure, blood vessels suffer, because they lose their elasticity, and the thickness of the walls increases due to the accumulation of various substances on them. Let’s look at this feature on the example of atherosclerosis:

Hypertension combined with atherosclerosis is the most common. With atherosclerosis, atherosclerotic plaques are deposited on the intravascular walls, reducing elasticity and lumen within the arteries. Consequently, there is resistance to blood flow. Then the heart still copes with the task (due to the frequency and strength of contractions), but does not get enough blood, provoking angina or, as it is popularly called – chest pains.

If this problem is ignored for a long time, blood clots form inside the arteries, causing a catastrophic lack of blood in the heart. As a result, the groundwork for a myocardial infarction is formed. Also atherosclerosis, as a consequence of high blood pressure, in most cases affects the vascular system of the brain, causing a stroke, as a result of which the person may be confined to bed (due to limb paralysis), there will be problems with the speech apparatus, memory.

In some cases, due to atherosclerosis caused by blood pressure, the organs of vision are affected. Initially this is manifested by “flickers” in front of the eyes, especially with a sudden change of body position (from horizontal to vertical). And given that the increased intraocular pressure is activated at this time, a person may partially or completely lose their vision (due to the vulnerability of the retina).

Effects of hypertension on the heart

Hypertension affects the entire body, but the target organs that come under attack suffer the most. First of all, such organs and systems are at risk: the blood vessels and heart, the brain, the kidneys and the organ of vision.

It is worth noting that with increased intravascular pressure, the heart is subjected to a great load, because the main task of this organ is to provide the entire body with an optimal amount of blood. Consequently, the volume of blood inside the ventricles is less than the norm, and the heart begins to work more actively to perform the task. Then the person’s heart rate increases.

Because of this factor, an increase in the heart cavity can be observed, diseases develop, and the term of the performance of the main organ decreases. At the same time, a person may observe shortness of breath and swelling of the extremities.

Consequently, if hypertension is not detected in time, the heart begins to work unstable, causing disruption of intravascular blood flow and, as a consequence, the condition of the blood vessels themselves deteriorates.

About the elevated values.

It has been established that the normal values of tonometer in a healthy person should correspond to the range 110/120-70/60 mmHg, but for some people, these values may be high or low, and any deviation (increase or decrease in tonometer values) from the usual norm will manifest itself as a deterioration of health.

For example: if the habitual value of pressure in a person was 140/50, and he felt well, the increase in pressure in this case will be considered from 150/60 (and the previous figures will be absolutely normal, despite the deviation), and will begin to cause the corresponding symptoms: fainting, dizziness, general physical weakness. This factor is assigned its own medical terminology – adaptive pressure.

Such a person should still constantly use a tonometer and be regularly examined by a cardiologist, because hypertension can occur in a latent form and provoke sudden complications.

Heart disease (hypertension in particular) is very complex, they are characterized by their unpredictability. High blood pressure affects each person differently, because everyone has his own adaptive hypertension, and if it deviates even by 10 mm Hg, there is a risk of mortality. Consequently, the earlier the treatment of hypertension began, the more favorable the prognosis of the disease will be.

Mechanism of development of consequences

The consequences of arterial hypertension can be very different, but there are some that can cause the patient serious trouble. A prime example of such a consequence is hypertensive crisis.

  1. Hypertensive Crisis . Hypertensive crisis is a condition of the patient in which the tonometer shows a minimum value of 180/120 mm Hg. This ailment carries a huge health risk and occurs exclusively against the background of hypertension. Its duration can run individually from 2 hours to 2 days, leading to a stroke.
  2. Stroke . The more the body has been exposed to bad habits, has been poisoned by a bad environment and other factors that have a direct effect on the vascular system, the earlier it attacks the person. Most often stroke occurs against the background of hypertension. Stroke affects the body with bad consequences, destroys the cells and vessels of the brain, leading to mental degeneration, paralysis and speech difficulties. This is caused by oxygen starvation of the brain, because due to the blockage of blood vessels, some parts of the brain do not receive blood, so the cells begin to die off, and their decay products flow back into the blood. Then there is an increased pressure inside the remaining vessels, which, unable to withstand the stress burst, provoking intracranial hemorrhages. If the source of the hypertension is not eliminated, it is at stage 2-3, and the person has already had a hypertensive crisis with stroke, you should take immediate action to avoid repeated attacks with a fatal outcome.

Hypertension – a purely individual disease, characterized by indicators that for one person is quite normal, but in the case of another can cause unfortunate consequences of hypertension. It is strongly recommended not to let the pathology take its course, always engage in prevention of hypertension, get rid of bad habits, review your diet so as not to overdo the consumption of salty and fatty foods, control the level of cholesterol and visit your cardiologist regularly. This would allow time to detect the initial stage of hypertension and cure it in full.

The following sources of information were used to prepare this material.

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