Methemoglobinemia during anesthesia.
D000758:Anesthesia; D000770:Anesthesia, Endotracheal; D001566:Benzocaine; D003490:Cyanosis; D006801:Humans; D008708:Methemoglobinemia
D001566:Benzocaine
ANESTHESIA, INTRATRACHEAL; CYANOSIS; ETHYL AMINOBENZOATE; METHEMOGLOBINEMIA