Drug mechanisms, clinical uses, and the side effects boards love to test.
Five mechanisms, coverage grid, cephalosporin generations, board traps (Red Man, C. diff, tendon rupture, Gray Baby). Drag-and-drop sorting game. Decision tree for empiric therapy. 12-question pool.
PCT → TAL → DCT → CD. Progressive unlock through each segment. Electrolyte effects, calcium rules, board traps.