A 71-year old man is admitted to the hospital with complaint…
A 71-year old man is admitted to the hospital with complaints of severe fatigue, shortness of breath, pounding heart, and numbness in his fingers. He first noticed the symptoms when setting up his lake shelter for ice fishing as he does every year. Although he is mostly annoyed, his wife was concerned and made him go to the doctor. An automated CBC performed at the doctor’s office shows hemoglobin of 6.8 g/dL and hematocrit of 22.5%. His doctor has ordered a bone marrow biopsy, a type and crossmatch for 2 units of packed RBCs and a DAT test. In the lab, the technologist rejected the sample due to clotting and requested a recollect. The testing below was performed on the second sample received in the blood bank. What is a likely explanation for the results below: