AbstractA 31yearold male found unconscious in his parked car on road side was admitted for evaluation and management in the hospital. The patient presented with central and peripheral cyanosis and arterial blood gas (ABG) report revealed 54.4% oxyhaemoglobin, 44.5% methaemoglobin and 1.1% carboxyhaemoglobin. The patient was put on 100% oxygen. Keeping in view the ABG report, the patient was treated as methaemoglobinaemia and started on 1% methylene blue solution intravenously. The patient, on regaining consciousness, told that he had accidently ingested petrol a few hours back. Later on, further investigations revealed that the patient had bite cells in peripheral blood smear suggestive of hemolytic anaemia. The patient informed that he is a known case of Glucose6Phosphate Dehydrogenase (G6PD) deficiency. The patient was managed as a case of petrol ingestion methaemoglobinaemia with G6PD deficiency and discharged from hospital.
Keywords: G6PD Deficiency; Methaemoglobinaemia; Methylene Blue; Petrol Ingestion.