The optical system of the eye depends entirely on the properties of the cornea, the lens and the size of the eyeball.If there are any deviations in these structures, a person's visual quality is impaired, and he begins to see worse. Myopia and farsightedness are concepts known to all, but what astigmatism is for many is very vague and vague. Although this visual defect is much less common, it is one of the most complex and weakly treatable. Content 1Definition of disease 2Causes 3Sympto...
Cataplexy (Levenfeld-Genneberg syndrome) is a state of sudden loss of muscle tone with complete preservation of consciousness. At a cataplexy the person is not capable to move in general, or the separate sites of its body appear to be immobilized. But the understanding of what is happening, hearing, sight, smell, that is, the perception of the environment, does not suffer in any way. The emergence of cataplexy science associates with a deficiency in the hypothalamus of a special substance of...
Rett syndrome is a severe pathology of the nervous system with a genetic predisposition, which occurs mainly in girls. The disease has a steadily progressing course, eventually leading to severe mental retardation, loss of self-service skills and even immobility. The main manifestations of the disease are the reverse development of already acquired motor and speech skills at the age of from 1.5 to 3-4 years, repeated stereotyped and uncontrolled hand movements, mental retardation. The Rett s...
Spinal stroke is an acute impairment of blood circulation in the spinal cord. This pathology is much less common than a circulatory disorder in the brain, but it does not become less dangerous from this. A spinal stroke can be ischemic and hemorrhagic. This is a serious disease, requiring mandatory and fastest hospitalization, a fairly long treatment. In the absence of medical care, spinal stroke can lead to loss of ability to work and disability. In order to timely contact a specialist and ...
The disease of Gallervorden-Spartz is a neurodegenerative disease of the central nervous system, at the basis which is the violation of the exchange of iron and its deposition in the subcortical structures of the brain. The international name of the disease is a neurodegenerative disease with the deposition of iron in the brain. At the heart of the disease is the genetic mutation of the gene, which is responsible for the exchange of iron in the body. With a broken metabolism, iron begins to ...
Tick borreliosis (Lyme disease, Lyme-borreliosis) is an infectious disease transmitted through the bite of an ixodic tick. It is characterized by the defeat of various organs and systems: skin, nervous system, heart, joints. With early detection and proper treatment with antibiotics, in most cases it ends in recovery. Diagnosis of the disease at a late stage, inadequate therapy can promote the transition of the disease into a chronic, intractable form. From this article you can learn abou...
Panic attack is a sudden onset of severe anxiety, which lasts for a short time and is accompanied by vegetative manifestations. Panic attack is a neurotic disorder provoked by a psychotrauma. A characteristic feature is the unpredictability of occurrence and a huge difference between the severity of subjective sensations and the objective status of the patient. Similar states are developing in statistics in 4-5% of the world's population, but there is evidence that every 10th inhabitant of o...
Hemorrhagic stroke is a hemorrhage into the substance of the brain or under the membranes of the brain. This disease refers to acute disorders of cerebral circulation. Morbidity and mortality from acute disorders of cerebral circulation in Russia in most regions takes a leading position. Mortality with hemorrhagic stroke is 75-90%. Every one and a half minutes a Russian develops a stroke. These indicators speak for themselves: the urgency of the problem is beyond doubt. Let us examine in mor...
Neurocysticercosis is a parasitic disease of the nervous system caused by larvae of the pork chain. A person becomes infected when eggs of pork chopsticks get into the gastrointestinal tract. The first symptoms most often appear 5-7 years after infection. More often manifested by convulsions, increased intracranial pressure, a violation of intellectual functions, but can be asymptomatic. Characteristic wave-like flow with periods of exacerbation and relative improvement in the state. Diagno...
Meningitis is a disease in which the mild cerebral cortex of the brain is affected. Meningitis of tuberculous etiology is found in any age group. The risk group consists of children with immature immune system and people with immunodeficiency states (AIDS, alcoholism, drug addiction). Content 1Cause 2Symptoms 3Diagnostics 4Treatment 5Forecast Cause The disease develops when the soft membrane of the brain is affected by mycobacterium tuberculosis.At the heart of tuberculous meningiti...
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