Microbiology (Main)

Categories

• Gram Positives
• Gram Negatives
• Anaerobes
• Non-Culture Growing Bacteria

Interpretations of Key Phrases

• “Gram negative coccobacilli” may suggest Haemophilus species
• “Lactose-positive gram negative rods” may suggest Enterobacteriaceae, such as E. coli, Klebsiella, or Enterobacter spp
• “Lactose-negative gram negative rods” may suggest Pseudomonas
• “Acid fast bacilli” may suggest Mycobacterium species
• “Yeast” suggests Candida spp. "Germ-tube negative yeast" suggests non-albicans Candida yeast. “Germ-tube positive yeast” is identified as Candida albicans or Candida dubliniensis
• “Round Yeast” suggests Cryptococcus spp
• “Fungal elements or hyphal elements” suggest filamentous fungi (moulds)

See Also

• Antibiotics (Main)
• Comparison of Antibacterial Spectra
• Bacteremia Versus Contaminated Blood Cultures‎
• Isolation Precautions