This type of transfusion reactions occurs in about 1% of all transfusions, is associated with a 10C rise in temperature associated with the transfusion, and is not related to the patient’s current medical condition. 

At the end of the 15 minute incubation for the IAT on an Ab ID panel, the MLS student notices that the heat block was unplugged during this time. What is the best response to the student regarding the testing?

What can be done to prevent  TACO in at-risk patients?

A 10 year old, hospitalized for hemoglobinuria, appears pale and lethargic. The parent states that the child has recently recovered from an upper respiratory infection. The test results are below. The results indicated that the child most likely is displaying: patient values Test  Result Hb 6 mg/dL Retic 15% DAT DAT pos, anti IgG neg, Anti C3d pos AbScr neg Donath Landsteiner Test positive

A patient who was recently transfused presented with a positive antibody screen, positive autocontrol, and reactivity on the gel antibody ID panel. What is the next step for the MLS?

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:

TRALI and TACO  are differentiated by:

A cord blood sample on a newborn has been sent to the laboratory for testing. All of the following tests are routinely performed on the cord blood sample EXCEPT: 

Fever is a common symptom associated with which types of transfusion reactions?

An IgM antibody showed agglutination at both 4C and 30C, and was considered to display this type of reactivity: