Listeria Sketchy //top\\ -

· 3 years ago “Honestly, I was skeptical of Sketchy when I started medical school... I wouldn't call myself a visual learner, but I've found that nothing beats Sketchy when it comes to prepping for and learning microbiology and pharmacology. Nothing.” Sketchy Microbiology | Visual Learning for Medical and PA ... Sketchy Comparison Table: Laboratory Characteristics Feature Sketchy Symbol Clinical/Lab Fact Gram Stain Purple ornaments Gram-positive rod Enzyme A cat in the scene Catalase-positive Temperature Icicles/Snow Cold enhancement (4–10°C) Movement Tumbling ornaments Flagellar motility (extracellular) Invasion Rocket ship toy Actin polymerization (intracellular) Would you like a similar breakdown for another organism, or should we look into

Why are cephalosporins ineffective against Listeria? A3: Listeria lacks penicillin-binding proteins that cephalosporins target; plus, it’s intracellular. listeria sketchy

| Population | Presentation | |-------------|---------------| | | Mild flu-like illness (fever, myalgia) → fetal loss, premature labor. | | Neonate | Granulomatosis infantiseptica (diffuse pyogranulomas), meningitis, sepsis. | | Adult/elderly | Meningoencephalitis (often rhombencephalitis: cranial nerve deficits, ataxia). | | Immunocompromised | Bacteremia, meningitis, focal infections. | · 3 years ago “Honestly, I was skeptical

It can live both inside and outside host cells, making it a "perfect parasite" that evades the immune system. not high neutrophils.

What CSF finding suggests Listeria meningitis? A4: Mononuclear cell predominance (monocytosis), not high neutrophils.