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Gram Stain

The gram stain report showed 3+ WBC's , and long, thin, gram-negative rods.

The culture report, 4+ Psuedomonas aeruginosa, confirmed the initial gram stain.

Instructor's notes:

The gram stain can be read and reported immediately. Although preliminary culture results may be reported at 24 hours, final result take up to 48 hours to report. The physician may start antibiotic therapy based on the initial gram stain.

Pseudomonas aeruginosa is a common pathogen of immunocompromised patients. It is resistant to many antimicrobials and can be difficult to treat.