Blood transfusion, if performed promptly, is a potentially life-saving intervention for someone losing a lot of blood. However, blood comes in several types, some of which are incompatible with others. Transfusing an incompatible blood type can severely harm a patient. It is, therefore, critical for medical staff to know a patient’s blood type before they perform a transfusion.
Click here for original story, A micro-lab on a chip detects blood type within minutes
Source: Phys.org