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Detecting Reporting Resistance in Fastidious Bacteria - SWACM

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Procedure used <strong>in</strong> some labs to expedite<br />

identification of vancomyc<strong>in</strong>-R grampositive<br />

cocci…<br />

Gram sta<strong>in</strong>: GPC cha<strong>in</strong>s<br />

Drop vancomyc<strong>in</strong> disk on BAP subculture<br />

– Note: Not standardized procedure<br />

No zone and colony morphology<br />

consistent with vancomyc<strong>in</strong>-R species –<br />

report “presumptive” vancomyc<strong>in</strong><br />

resistance<br />

– Vancomyc<strong>in</strong> often used empirically for suspected<br />

gram-positive organism <strong>in</strong>fections

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