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eMediNexus    23 January 2018

A 5-year-old girl was found to have cyanosis on two occasions of urinary tract infection, in the setting of chronic constipation. The child had a history of intake of sulfur medications.

On her second admission to the hospital, sulfhemoglobinemia was confirmed. A pulmonary arteriovenous malformation (AVM) was incidentally found in this patient who had a normal PAO2, thus not hypoxemic, though cyanotic.

How should this patient be treated?

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