Methemoglobinemia (MetHb) is a blood disorder in which an abnormal amount of methemoglobin is produced. This video briefs us about the pathological case of abnormal haemoglobin and its causes, clinical manifestations, etiology, features and management and treatment. TIMELINE: 0:01 Introduction 0:26 Causes of hypoxia 1:20 Clinical picture of hypoxi 1:40 Methemoglobinemia 3:10 Causes 3:34 Cyanosis 5:27 Clinical pictures 6:07 Diagnosis 7:37 Difference between deoxy Hb and Meth Hb 8:56 Management of methemoglobinemia 10:47 Drugs 13:00 Summary 14:39 Quiz And questions 15:47 End