This patient's serum was found to be discolored four hours following a surgical procedure. What is the most likely cause?: (A) Fluorescent dye, (B) Methemoglobinemia, (C) Propofol, (D) Pseudomonal sepsis
Answer is A. 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.