Blood Administration and Identifying the Gaps – Part 1 Every Two Seconds, Someone Bets Their Life on a Sticker Somewhere in the United States, a patient is being transfused with someone else's blood roughly every three seconds. More than ten million units of red cells alone move from donor to bedside each year, and the entire safety architecture protecting that patient from a fatal mismatch rests on a chain of manual checks: a label on a tube, a barcode scan, two clinicians