Staph vs Strep
Gram-positive cocci identification. Catalase, coagulase, hemolysis patterns, and the decision tree that sorts them all.
Gram Stain Reference
Gram +/- cocci and rods, special stains, and the 37-organism quick reference. Pattern recognition for board vignettes.
Meningitis
Bacterial vs viral vs fungal CSF patterns, age-based organisms, empiric treatment, Waterhouse-Friderichsen, Cryptococcus in HIV, dexamethasone timing.
Animal Farm: The Zoonotic Bacteria You Catch From Animals
HIV CNS Infections: Crypto, CMV, Toxo, PML
HIV CNS infection board review: cryptococcal meningitis, CMV retinitis, toxoplasmosis, and JC virus PML organized by CD4 count, imaging pattern, diagnosis, treatment, and clinical walkthroughs.
Opportunistic Infections · The CD4 Ladder
What bugs appear at what CD4 count. The slider that teaches you the ladder, prophylaxis thresholds, transplant timeline, and every board trap they love.
Virus Classification: DNA vs RNA & Structure (Medical Education) FREE
Neurosyphilis: Tabes Dorsalis & Argyll Robertson (Medical Education) FREE
TORCH Infections
Toxoplasma, Other (syphilis), Rubella, CMV, HSV. Vertical transmission timeline and the classic neonatal findings.
Virus Classification: DNA vs RNA & Structure
Neurosyphilis: Tabes Dorsalis & Argyll Robertson
E. coli vs Shigella
Botulism
Measles, Mumps, Rubella: The MMR Split
Interactive board review that separates measles, mumps, and rubella by the one clue that matters: mouth, parotid, or posterior nodes and pregnancy.