American Red Cross Blood Donors - Having universal type AB plasma available when a patient arrives at a trauma center is vital. Critically injured patients with uncontrolled bleeding often need blood &
Canadian Blood Services - Individuals with type O-negative blood are universal blood donors because any patient, no matter their blood type, can receive O-negative blood. In an emergency, when there is little
![Blood group compatibility chart with universal donor 0 and universal recipient AB - concerning blood donation and transfusion, depicted with arrows Stock Photo - Alamy Blood group compatibility chart with universal donor 0 and universal recipient AB - concerning blood donation and transfusion, depicted with arrows Stock Photo - Alamy](https://c8.alamy.com/comp/2DKWD0N/blood-group-compatibility-chart-with-universal-donor-0-and-universal-recipient-ab-concerning-blood-donation-and-transfusion-depicted-with-arrows-2DKWD0N.jpg)