2000 Associates' Presentations
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A Man with the Blues

Karen Fickel, MD, Medical College of Wisconsin, Milwaukee, WI

Cyanosis is common among hospitalized patients. Hypoxia is frequently the cause, but multiple etiologies exist. This report addresses the evaluation and treatment of a 76-year old Caucasian man with methemoglobinemia secondary to topical; anesthesia used during a transesophageal echocardiogram.

A brief differential diagnosis of central and peripheral cyanosis is followed by a discussion of the etiology, presentation, diagnosis and treatment of methemoglobinemia.

Methemoglobinemia is rare. However, many common medications and chemicals induce oxidant stress and may create even lethal levels of methemoglobin.

This case demonstrates the importance of early recognition and treatment of methemoglobinemia.


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Sharon Haase, MD, FACP
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Kelly Lang
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