system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 60-year-old industrial worker presents with shortness of breath for the past week. Blood withdrawn shows thick brownish red Color. Diagnosis?
assistant
The correct answer is  Ans. C. Meth-hemoglobinemia* Sickle cell anemia has a pediatric presentation.* Hemolytic anemia will cause pallor and not brown discoloration of blood.* In G6PD in event of intravascular hemolysis the hemoglobinuria will cause a black urine. Therefore, by exclusion the answer is meth-hemoglobinuria.