Nephrons, electrolytes, acid-base, and the labs that never lie.
Types 1, 2, and 4. Interactive nephron diagram, deep dive with chunked learning, clinical vignette, board traps.
Leaky sieve vs angry filter. Big 5 nephrotic diseases, nephritic syndromes, drag-drop sorting, elimination game, decision tree, 12-question quiz pool.
Hyponatremia algorithm, hyperkalemia EKG changes, SIADH deep dive, clinical vignettes.
Prerenal vs intrinsic vs postrenal, FENa battle table, AKI workup algorithm, CKD staging, complications cascade, drag-drop sorting, elimination game, 12-question quiz pool.