If a patient complains of flank pain, chills, fever, and hematuria during a blood transfusion, these symptoms indicate the following complication?

1. A

   Pyrogenic transfusion reaction

2. B

   Hemolytic transfusion reaction

3. C

   Anaphylactic transfusion reaction

4. D

   Allergic transfusion reaction

Appeared in: NHM UP Staff Nurse - 2019

Explanation

• The constellation of symptoms—flank pain, fever, chills, and hematuria—is the classic presentation of an acute hemolytic transfusion reaction (AHTR).
• Flank pain and hematuria (specifically, hemoglobinuria) are hallmark signs that directly result from the destruction of red blood cells and subsequent acute kidney injury, which is characteristic of AHTR.
• This reaction is a medical emergency caused by the recipient's antibodies attacking incompatible donor red blood cells.
• The systemic symptoms of fever and chills are due to the massive inflammatory response triggered by hemolysis.

Why Other Options Were Wrong

• Option A: A pyrogenic (or febrile non-hemolytic) reaction is characterized primarily by fever and chills. It does not typically involve flank pain or hematuria, as there is no red blood cell destruction or kidney damage.
• Option C: An anaphylactic reaction is a severe, rapid-onset allergic reaction. Its key features are respiratory distress (wheezing, dyspnea), severe hypotension, and shock. While it is a transfusion emergency, its primary presentation is not flank pain and hematuria.
• Option D: A simple allergic reaction is the mildest form and is characterized by cutaneous symptoms like hives (urticaria), itching (pruritus), and flushing. It does not involve systemic symptoms like high fever, flank pain, or hematuria.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Differentiating types of blood transfusion reactions based on clinical manifestations to guide bedside assessment, documentation, and the next nursing action.
• Recognizing an acute hemolytic transfusion reaction is a critical nursing skill. It is a 'never event' that is almost always preventable through strict adherence to patient identification and blood product verification protocols.
• The immediate priority is to stop the transfusion. Every second counts, as the severity of the reaction is proportional to the volume of incompatible blood transfused.
• What if the patient only developed a fever and chills? This would most likely indicate a febrile non-hemolytic reaction. The transfusion must still be stopped immediately, and the provider notified. While less severe than AHTR, it is crucial to rule out hemolysis and bacterial contamination as the cause.

How to Approach the Question

• First, identify the key clinical event: a patient is receiving a blood transfusion.
• Next, carefully analyze the cluster of symptoms presented: flank pain, chills, fever, and hematuria.
• Break down the symptoms. Chills and fever are common to several reaction types, so they are less specific.
• Focus on the most unique and severe symptoms: flank pain and hematuria. Ask yourself, 'Which complication of a blood transfusion directly damages the kidneys?'
• Evaluate the options based on this question. Hemolysis (destruction of red blood cells) releases hemoglobin that clogs and damages the kidneys, causing flank pain and hemoglobin in the urine. This perfectly matches the pathophysiology of a hemolytic reaction.
• Rule out the other options. Allergic reactions are skin-related, febrile reactions lack the kidney damage, and anaphylactic reactions are primarily respiratory/cardiovascular collapse.

Concept Tested & Keywords

• Concept Tested: Differentiating types of blood transfusion reactions based on clinical manifestations.
• Stem keywords: blood transfusion, flank pain, chills, fever, hematuria
• Lead-in keywords: indicate the following complication
• Clinical cues: The combination of systemic symptoms (fever, chills) with specific signs of kidney involvement (flank pain, hematuria) during a transfusion is a critical diagnostic clue.
• Negative lead-in flag: false

Question ID

QJIHwYh4jG7_z6oLnYLNjF

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Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 3 p. 124-126

E6 Gynecology Williams p. 8-30