A Post-Op Serum Surprise

A patient’s serum is found to be discolored hours after surgery. Explore the Differential Diagnosis for this unusual finding and its surprising cause.

Fluorescent dye


This patient’s serum was found to be discolored four hours following a surgical procedure. What is the most likely cause?

What is the most likely diagnosis?

Fluorescent dye
Methemoglobinemia
Propofol
Pseudomonal sepsis
Ethylene glycol

Angiography, Fluorescent dye, Mesenteric Ischemia, Serum Discoloration, Surgery

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