PMC4353269_01
A
Focal area of induration on dorsum of left foot.
B
Transesophageal echocardiogram (parasternal short axis view) demonstrating a bicuspid aortic valve with a large vegetation.
C
Gram stain of blood culture demonstrating Gram-negative bacilli consistent with Cardiobacterium hominis. D
Etest (bioMerieux Canada, Inc) results for ceftriaxone with a double zone of inhibition at a minimum inhibitory concentration of 0.023 mug/mL and 16 mug/mL. Bacteria within the intermediate zone of inhibition could not be cultured
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There was a tender area of induration on the palm of his left hand and the dorsum of his left foot (Figure 1A), but no erythema nodosum.