Clinical Diagnosis
Lessons
Illustrated, high-yield walkthroughs of the clinical diagnosis concepts the boards test most.
A boards-focused walkthrough of the four shock categories — hypovolemic, cardiogenic, obstructive, and distributive — anchored to their signature preload, cardiac output, SVR, and SvO2 profiles, with the classic vignette buzzwords and the correct immediate next step for each.
A board-focused walkthrough of reading the CBC — using MCV, RDW, and the reticulocyte count to classify anemia, and reading the WBC differential and platelet count — to land the diagnosis and the next best step.
A Step 2 CK–focused walkthrough of the basic metabolic panel: a fixed six-step reading habit, the core formulas (anion gap, Winter's, corrected Na⁺, BUN:Cr/FENa), and the classic sodium, potassium, anion-gap acidosis, and acute-kidney-injury patterns with their next-best-step decisions.
A stepwise approach to abnormal liver chemistries for Step 2 CK: assign the pattern — hepatocellular vs cholestatic (R factor) vs isolated hyperbilirubinemia (enzymes normal) — then use enzyme magnitude, the AST:ALT ratio, and bilirubin fractionation to reach the diagnosis and next best step.
A board-style, systematic 5-step framework for arterial blood gas interpretation — primary disorder, compensation formulas, anion gap, and delta gap — anchored to classic mixed-disorder vignettes and next-best-step management.
A board-focused walkthrough of systematic ECG interpretation for Step 2 CK: normal intervals and rate/axis shortcuts, STEMI localization by lead and culprit artery, AV block differentiation with next-best-step management, and the classic buzzword patterns (WPW, pericarditis, Wellens, hyperkalemia).
A board-focused, systematic walkthrough of chest X-ray interpretation for Step 2 CK: the RIPE quality check and ABCDE read, classic buzzword findings mapped to diagnoses, and vignette-driven next-best-step decisions for CHF, tension pneumothorax, and perforated viscus.
A Step 2 CK-focused walkthrough of urinalysis that pairs each dipstick and microscopy finding with its diagnosis and next best step, anchored on cast recognition and the nephritic/nephrotic/tubulointerstitial framework.
FAQ
What's covered in the Clinical Diagnosis topic?
Clinical Diagnosis covers high-yield mechanisms, clinical presentations, diagnostic workup, and management — drawn from First Aid, Pathoma, and the NBME content outline.
How many practice questions does Clinical Diagnosis have?
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Is Clinical Diagnosis on USMLE Step 1 or Step 2 CK?
Clinical Diagnosis appears on both Step 1 (foundational mechanisms) and Step 2 CK (clinical decision-making). Our questions are tagged by exam target so you can filter to just the Step you're studying.
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