60 year old person presents with history of angina and shortness of breath for the past week. Blood withdrawn shows thick brownish red color. Diagnosis?
High-Yield Explanation
Ans. (c) Meth-hemoglobinaemiaRef.: Harrison 19th ed. / 636* 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 also the answer is meth-hemoglobinaemia.