Methemoglobinemia physical examination

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Template:Aksiniya K. Stevasarova, M.D.

Overview

Congenital (Hereditary) Methemoglobinemia

There are three main congenital conditions that lead to methemoglobinemia:

1. Cytochrome b5 reductase deficiency and pyruvate kinase deficiency

2. G6PD deficiency

3. Presence of abnormal hemoglobin.

Acquired or Acute Methemoglobinemia

Most common cause include different oxidant drugs, toxins or chemicals

Physical Examination

The patient’s skin will have bluish hue and his blood will have brown-chocolate color.