Hand-cranked device tells blood type and red cell levels in 1 minute

Image: Phys.org
ad slot · in-content video 16:9
Coverage
More coverage
- When someone is badly injured, doctors urgently need two facts: the patient's blood type, so that a transfusion is safe, and their hematocrit, the share of the blood made up of red blood cells, which reveals blood loss or anemia. Hospitals measure both with large machines that need electricity and…