Undiagnosed myxedema coma: Rare but life-threatening

To exclude cause of delayed recovery blood gas analysis and sugar levels were checked, which were normal. American thyroid association recommends screening at the age of 35 years and every 5 years thereafter with close attention to patients who are at high risks such as pregnant women, elderly women, patients of type 1 diabetes mellitus, and those with history of neck irradiation. [4] Various other causes for delayed emergence as drug overdose, potentiation by other drugs, prolonged neuromuscular blockade as seen in acidosis, renal failure, and severe hypothyroidism are known.