Tuesday, 29 October 2013

Classification of illnesses principles

In correlation many nozoloģiskās forms, that before supposed for incorporated illnesses, in actual fact there are whole groups of illnesses - medicine developing, the old illnesses as though decompose a few new. One former nozoloģiskās forms sairst, but another again appear from new. Because of the mentioned circumstances classification of illnesses changes also.
Classifying any businesses or phenomena, jāņem attention certain signs, criteria. Classifying illnesses, takes such signs into account.
1. Cause of the disease. Common infectious disease caused by infectious agents (germs, viruses). Intoxication caused by toxic substances. Depending on the cause of intoxication can also be categorized in more detail, such as occupational and dietary toxic products induced diseases. Of all trauma-related illnesses trauma, radiation sickness cause - exposure to ionizing radiation and so on.
2. Pathogenesis features. Separate groups together with similar disease pathogenesis mechanisms, such as collagen diseases, allergic diseases, benign, malignant tumors, metabolic diseases.
3. Anatomical principle. Practical medicine very convenient and widespread disease classification damaged organ (heart, lung, kidney, stomach problems). Although this classification of the modern medical specialization practical requirements, however, as mentioned above, certain organs do not exist. Therefore, for accurate classification of diseases should be subject to functional organ systems (sirdsasinsvadu system, blood system, digestive system diseases).
4. Age. Patients of different age and origin of the disease development is often different. The pediatric diseases studying a separate branch of medicine - paediatrics, elderly sick - geriatrics.
5. Sex. Men and women have quite different for many diseases (see sex-reactivity). Certain medical industry explores the male and female reproductive physiology and pathology. 
6. Ecological factors. Human life conditions play an important role in t. s. region or geographical origin of the disease, and working conditions - occupational origins. In recent times, often mentioned in the "diseases of civilization", as it believes the cause of liberating the rhythm of life, lack of exercise, poor diet.
7. Genetic defect in the apparatus. In recent times, the overall incidence structure significantly reduce the acute infectious diseases and the incidence of diseases, but relatively increased hereditary diseases and defects in thickness, and the incidence of diseases that are inherited predisposition for disease heritability due explores medical genetics.
8.Clinical course and run time. Acute illness characterized by pronounced clinical picture, it lasts from a few days to 2 weeks. Sub acute clinical picture is less npilgta, duration - 2-5 weeks. Chronic illness lasts for months or even years.
9. Statistical requirements. They shall respect the classification, such as infectious and parasitic diseases, malignant tumors, allergic diseases, endocrine diseases.

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