However, for recipients, receiving 1 bag of 400ml blood is less than receiving two bags of 200ml blood, and the probability of transfusion immune reaction and infectious diseases is twice as low in theory, which is more beneficial to patients.
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Matters needing attention after blood donation:
After blood donation, compress the needle eye for about 10 minutes or compress it with elastic bandage for about 20 minutes to prevent subcutaneous bleeding; Keep the needle eye dry and clean, and don't sell water within 4 hours to avoid infection; Blood donation arm does not lift weights for 24 hours.
Don't do strenuous exercise within/0/-2 days after blood donation, drink plenty of water and supplement some foods with high vitamin C and iron content, such as lean meat, eggs, pig liver, bean products, vegetables and fruits. If there is oozing blood and swelling at the needle eye, apply cold compress within 24 hours, apply hot compress after 24 hours, and disappear in 7 ~ 10 days.
If an individual feels dizzy within a few hours after donating blood, please squat, sit down or lie down on the spot to avoid accidental injury.
People's Network-Focus on World Blood Donation Day: These little knowledge about blood donation needs to be mastered.