This patient's serum was found to be discolored four hours following a surgical procedure. What is the most likely cause?
Answer A. Fluorescent dyeThe patient had undergone intraoperative angiography with a fluorescent dye and a Wood's lamp was used to evaluate mesenteric-vessel viability.
Fluorescent dye
Methemoglobinemia
Propofol
Pseudomonal sepsis
Miscellaneous