“Certainly can do that my good man,” says your helpful transfusion lab.

“We can do a group and save within 20 minutes, and then provided there are no unusual antibodies, we can electronically issue four units about 5-10 minutes after that. Will that do?”

“Sure thing,” you say, grateful that blood will be coming.

You also administer prothrombin complex concentrate in addition to vitamin K, knowing that vitamin K takes 12-24 hours to work orally and 6-12 hours IV.

Things are looking better. Your shift has ended so you will never know the outcome of the patient as too much time was lost on the CT request.