Donors - people who voluntarily give their blood for transfusion patients, as well as for making it into medicinal products (gamma globulin, measles serum and others).
The donor may be a healthy person, under the age of 18. People, I have the blood group, is a universal donor, i.e. their blood can be transfused to any person (see the blood Group).
All wishing to become donors undergo a medical examination by a physician, they spend their blood and urine tests and serological studies of blood (Wasserman reaction and two sediment). The examination also includes the determination of blood group, the content of bilirubin in serum (detection of early stages of infectious hepatitis). If necessary, resort to survey other specialists and additional analyses.
In the selection of donors are special instructions "On the procedure of accounting and medical examination of donors".
Contraindicated enrollment donors in the presence of the following diseases: syphilis, tuberculosis, brucellosis, tularemia, infectious hepatitis, heart diseases in the stage of subcompensation and decompensation, malignant tumors, acute and chronic inflammatory processes, diffuse lesions of the kidneys, bronchial asthma. Temporary contraindications are pregnancy, lactation (a woman can be a donor in 3 months after the end of lactation) and menstruation (blood taking is permitted in 5 days after menstruation) .
Before taking a blood donor receives a free light Breakfast, and after taking blood - high-calorie lunch.
Simultaneously takes not more than 450 ml of blood. For the first time, and under 20 and over 55 years of age is taken not more than 250 ml of blood. Again the blood from the donor can be taken not earlier than 8 weeks from the date of the last krovoisliania. Blood from a single donor is taken not more than 6 times per year, then the necessary three-month break.
The donation is harmless. After giving blood hemoglobin decreases insignificantly and in 10-15 days is fully restored.
For the blood donors provided monetary compensation high-calorie diet, but many people have their blood gratis. Donors benefits, giving them the right to an additional day of rest after each day of delivery of blood, preferential trip vouchers to rest homes and sanatoriums.