Tuesday, July 25, 2017

A 152-kg, 27-y-old African American male professional football player collapsed after practice on a particularly hot and humid spring day at training camp. He has been brought by ambulance to your emergency department. He is unconscious and shows no external evidence of bleeding or acute injury.

You send many blood specimens to the lab with STAT lab requests, and soon afterward you are called and told that, although the patient’s hematocrit is 50%, the coagulation specimen is “quantity not sufficient” (QNS) because there is only 0.5 cc of blood in the citrate (light blue top) tube. What is the best thing to do?