A healthy person over 18 years old can be a donor. People with blood type I are a universal donor, that is, their blood can be transfused to any person (see Blood Groups).
All those who wish to become donors undergo a medical examination by a general practitioner, they are tested for blood and urine, as well as serological blood tests (Wasserman and two sedimentary tests). The examination also includes the determination of blood type, serum bilirubin content (detection of the early stages of infectious hepatitis). If necessary, resort to examination by other specialists and additional analyzes.
When selecting donors, they are guided by a special instruction "On the procedure for recording and medical examination of donors."Go
It is contraindicated for enrollment in donors in the presence of the following diseases: syphilis, tuberculosis, brucellosis , tularemia , infectious hepatitis, heart defects at the stage of subcompensation and decompensation, malignant tumors, acute and chronic inflammatory processes, diffuse kidney damage, bronchial asthma. Temporary contraindications are pregnancy , lactation period (a woman can be a donor 3 months after the end of lactation) and menstruation (blood collection is allowed 5 days after the end of menstruation).
Before taking blood, the donor receives a light breakfast for free, and after taking blood a high-calorie lunch.
Not more than 450 ml of blood is taken at once. For the first time, as well as at the age of 20 and over 55, no more than 250 ml of blood is taken. Re-blood from the donor can be taken no earlier than 8 weeks from the date of the last hemorrhage. Blood from one donor is taken no more than 6 times a year, after which a three-month break is necessary.
Donation is harmless. After blood donation, hemoglobin decreases slightly and in 10-15 days is fully restored.
For donated blood donors provide monetary compensation for enhanced nutrition, but many people donate blood free of charge. Donors enjoy privileges that give them the right to an additional day of rest after each day of donating blood, preferentially receiving vouchers to rest homes and sanatoriums .