PMC8055604_01
Severe hemolysis in a laboratory test tube just after hospital admission (A), six hours after hospital admission (B), and the control (C).
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PMC8055604_01_gr1.jpg
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Macroscopic findings of the serum specimens clearly indicated rapid progression of intravascular hemolysis in six hours (Fig. 1).
Gram-positive bacilli are seen by Gram stain from two sets of blood cultures drawn on admission (magnificationx1000).
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Gram-positive bacilli were identified by Gram stain of the contents of the blood culture bottles (Fig. 2).
a. A bacillus englobed by a neutrophil in a smear (May Giemsa's stain; magnificationx1000).. b. Two bacilli englobed by a neutrophil in a smear (May Giemsa's stain; magnificationx1000).
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When the peripheral blood smear on arrival was re-examined, bacilli phagocytized by white blood cells were identified (Fig. 3a,b).