Diagnosis _'s symptom of the first type virus hepatitis

Diagnosis _'s symptom of the first type virus hepatitis
First type virus hepatitis is abbreviated as first type hepatitis, it is by the first type hepatitis virus (HAV) A kind of acute infectious disease caused. Show as acute to get up disease at the clinic, have, fear cold, generate heat, the intersection of appetite and fail, sick, tired, hepatomegaly and unusual liver function. Jaundice appears in some cases, there is not symptom that is infected with the case more common, seldom transfer to an chronic and etiology and carry the state.
First type hepatitis it infects sources to be acute patient and inferior clinical the infeted usually, the patient has been infective in 10 days since hiding in latter stage to have illness coming on the biggest, the excrement - port route is that it mainly propagates the route, water, food are the explosive mainly checking the way, it is to distribute mainly propagating the route of the case that daily life is exposed to. There is first type hepatitis of report that can also spread and spread vertically, wait to further study through the blood.
The infant after seeing more for 6 age months in the prevailing area of first type hepatitis, increase with age, it is easy to be perceptual to drop gradually, so first type hepatitis is relatively rare in the adult. This disease is divided into a acute jaundice type, too acute to have jaundice type, silt gallbladder type and serious disease type four types on clinic, the course of disease is 2-4 months.
The diagnosis of this disease has the obvious one weak and receiving difference, nausea, vomits, such forerunner's symptoms as the urine is yellow according to the patient, combine the epidemiology materials and check ALT, resist - HAV, the general situation can be diagnosed clearly.
Treat the principle and take rest, nutrition as the core, complement it with the appropriate medicine, avoid drinking, being tired and using and decreasing the liver medicine.
First type hepatitis virus (HAV)
HAV is the small ribonucleic acid virus (Picornavirus) A member of the department, it is 72 type to classify as the intestinal virus in 1981, have included in and had a liking for the liver RNA virus (Heparnavirus) because its characteristic in many aspects has been different from intestinal virus recently Department.
Diameter 27-32nm, without membrane of bag, spherical, are made up symmetrical nuclear clothing shell of 20 pieces of body by 32 shell ones, include share RNA singly, made up of 7500 pieces of nucleotide. Resistance is relatively strong, the ability receives 60 and an hour, the part is deactivated in 10-12 hour; 100 is all deactivated in one minute; Ultraviolet ray (1.1 watts, 0.9cm deep) One minute, 10-15ppm30 minute of my chlorine, 3% of the formalin can be deactivated in 5 minutes. 70% of the alcohol and 25 can be deactivated partly in 3 minutes.
Rong's monkey of experimental animal and chimpanzee all exchanges the sense, and can go down to posterity. Can grow, duplicate and go down to posterity in many kinds of people or monkey cell one. HAV grows slowly, can detect the antigen to nearly need until 4 weeks after inoculating in the cultivation of cell. HAV neither causes cell pathological change, nor causes dissolution of the constellation chief cell and dies in the cultivation of cell.
In the body, HAV mainly duplicates in the afterbirth thick liquid of the hepatocyte, discharge from the excrement and urine through the bile, only a serum type and an antigenic antibody system. The Model IgM antibody only exists and arises within 3-6 months after being ill, the Model IgG antibody can be saved for many years.
|