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Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 7e
Chapter 201. Dyshemoglobinemias
Sections: Dyshemoglobinemias: Introduction, Methemoglobinemia, Sulfhemoglobinemia, Acknowledgment, References.
Topics Discussed: dyshemoglobinemias.
Excerpt:"The dyshemoglobinemias are a constellation of disorders in which
the hemoglobin molecule is functionally altered and prevented from
carrying oxygen. The most clinically relevant dyshemoglobinemias
are carboxyhemoglobin, methemoglobin, and sulfhemoglobin.1 Carboxyhemoglobin
is created following carbon monoxide exposure and, because of its
unique importance and prevalence, is usually considered an environmental
emergency (see Chapter 217, Carbon Monoxide). The
prevalence for methemoglobinemia and sulfhemoglobinemia is unknown,
and presentation to the ED for symptoms related to one of these dyshemoglobinemias
is uncommon...."
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