Why so blue?
A 40-year-old man presented to the emergency department with shortness of breath, chest pain and reported a pre-syncopal episode. But why so blue?
Reviewed and revised 14 September 2014 OVERVIEW Methaemoglobinaemia is the state of excessive methaemoglobin in the blood CAUSES Congenital Acquired (toxin/drugs) CLINICAL FEATURES INVESTIGATIONS MANAGEMENT Resuscitation Specific therapy Supportive care and monitoring REASONS FOR FAILURE OF METHYLENE BLUE Consider the…