Medicine 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 💡 Explanation This patient's serum was found to be discolored four hours following a surgical procedure. What is the most likely cause? ✓ Correct Answer: A. Fluorescent dye