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Methemoglobinemia is a pathological condition in which
methemoglobin produced in the body exceeds its physiological limit of
<1%. Methemoglobin is an altered state of haemoglobin in which iron is
in the oxidized ferric rather than the reduced ferrous form, rendering it
incapable for binding and transporting oxygen. We report a case of 10
years old boy who presented with cyanosis and respiratory distress after
ingestion of paint thinner. History, clinical cyanosis and chocolate
coloured blood with SpO2 value of 94% on pulse oximeter were highly
suggestive of methemoglobinemia. Patient responded well to artificial
ventilation, methylene blue therapy and exchange transfusion and
recovered.
Tayaba Yasmeen, Nighat Sultana, Muhammad Sarwar, Prof. Muhammad Haroon Hamid . (2016) Methemoglobinemia Induced by Paint Thinner Intoxication , Pakistan Pediatric Journal, Volume 40, Issue 4.
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