In lack of laboratory equipment for typing and crossmatching:
- Take small samples of blood from recipient and donor
- Centrifuge blood samples
- Place a drop of serum from recipient on a white surface
- Place a drop of red blood cells (the sediment) from donor beside
- Mix the two drops
- Read the result.
- Does it clump together or not?
NOT COMPATIBLE COMPATIBLE
If blood transfusion set is not available:
- Place recipient on floor
- Place donor on a stretcher
- Connect donor and recipient with an i.v. line
- Enhance blood flow with venous stasis by a tourniquet on the donor’s arm
- Stop transfusion when recipient and donor have same pink mucosal linings (equilibrium has been acchieved)

In lack of electric centrifuge:
Buy a handheld

Or make your own with a testtube and piece of string