Staph vs Strep FREE
Gram-positive cocci identification. Catalase, coagulase, hemolysis patterns, and the decision tree that sorts them all.
Gram Stain Reference FREE
Gram +/- cocci and rods, special stains, and the 37-organism quick reference. Pattern recognition for board vignettes.
Meningitis FREE
Bacterial vs viral vs fungal CSF patterns, age-based organisms, empiric treatment, Waterhouse-Friderichsen, Cryptococcus in HIV, dexamethasone timing.
Fungi & Parasites FREE
Endemic mycoses (Histo, Blasto, Cocci), opportunistic fungi, protozoa, and helminths. Geography pins half the diagnoses.
Opportunistic Infections · The CD4 Ladder FREE
What bugs appear at what CD4 count. The slider that teaches you the ladder, prophylaxis thresholds, transplant timeline, and every board trap they love.
TORCH Infections FREE
Toxoplasma, Other (syphilis), Rubella, CMV, HSV. Vertical transmission timeline and the classic neonatal findings.