What is a pain

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Pain is a signal that something is wrong in the body and it is necessary to take urgent measures to determine the cause of pain.

Pain sensations are usually absent. Their appearance indicates either the violation of the integrity of the body, or the effect on the sensory organs of the stimulus, which exceeds the normal values ​​(for example, very loud sound can cause ear pain).

Mechanism of pain

Pain sensations are usually absent. Their appearance indicates either the violation of the integrity of the body, or the effect on the sensory organs of the stimulus, which exceeds the normal values ​​(for example, very loud sound can cause ear pain).

Mechanism of pain

For the perception of pain, there are special pain receptors located in all tissues and organs of the body, excluding the brain and spinal cord. These receptors are activated by mechanical, temperature, chemical stimuli. There is also a type of receptor that is activated only in the inflammatory process.

If the pain sensation is impaired due to any disease (diabetes mellitus, leprosy), the pathological process, which normally produces severe pain, remains unnoticed and can lead to very serious complications or death.

For example, with prolonged current diabetes mellitus, the patient may not feel a myocardial infarction and do not seek a doctor in a timely manner, which most often turns into the death of the patient.

Pain and personality traits

In the perception of pain, an important role is played by the peculiarities of the character and the emotional state of a person. For example, the level of anxiety directly depends on the intensity of the perceived pain, aggressiveness affects the duration of pain.

More effective intake of analgesics is observed among people who have higher education and developed a sense of self-control. Sleepy lifestyle and low social activity are risk factors for the development of chronic pain syndrome.

The response to a painful stimulus depends on personality traits. It may be a cry, active facial expression, language, detailed description of pain, limitation of motor activity or the maximum possible ignoring of pain, taking analgesics and continuing daily activities.

Acute pain

Acute pain occurs with damage to the surface or deep tissues of the body or when the contraction of smooth muscle contraction.

Acute pain is superficial, deep, visceral and repulsive. These varieties of acute pain have different causes and mechanisms of development.

Surface pain occurs when the skin and mucous membranes are damaged by the tissues. This pain is locally limited, burning, prickly, penetrating.

Deep pain subjectively poorly localized, occurs when irritated pain bone receptors, ligaments, muscles. This pain draws, aching, stupid.

In diseases of the internal organs, visceral pain may occur - due to irritation of the nerve receptors both of the organs themselves and of their membranes (pleura, peritoneum).

Visceral pain is similar to deep: stupid, fuzzy localized, aching. May be accompanied by various symptoms from the internal organs: vomiting, diarrhea. Visceral pains arise at dysfunction of smooth muscles of the gastrointestinal tract, biliary tract, uterus.

The mechanism of the occurrence of reflected aches is different from the variants of pain described above. The reflected pain appears in the area of ​​the skin, which is innervated from the same segment of the spinal cord, that the internal organs that have some kind of damage. Areas in which there are reflected pain, are called zones Zakharyin - Geda.

Chronic pain

Chronic pain is a pain that lasts longer than the period of healing of damaged tissues and organs (defined by the International Association for the Study of Pain).

Often, chronic pain is not only a symptom of diseases of the musculoskeletal system, the nervous system and others, but can also become an independent disease.

In the vast majority of cases (except for a number of cases of chronic pain) pain is a sign of damage to the body, disturbing its integrity.

Pain is a signal of the need to take all possible measures for the care of the harmful agent. Thus, pain becomes one of the key mechanisms for the preservation of human health and life.

What is a pain

Category Of Medical Issues: Diseases

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