🧠 Biotin Deficiency for USMLE Step 1: Carboxylation Reactions, Causes, and Clinical Features
Master biotin for Step 1 — key carboxylation enzymes, deficiency symptoms like alopecia and dermatitis, and how raw eggs can cause it.
🧠 Thiamine (Vitamin B1) Deficiency for USMLE Step 1: Enzymes, Syndromes, and Neurologic Findings
Learn thiamine's metabolic roles, affected enzymes, and clinical consequences of deficiency like Wernicke-Korsakoff and beriberi. USMLE Step 1 visuals + mnemonics inside.
🧠 Phenylketonuria (PKU) for USMLE Step 1: Pathophysiology, Presentation, and Treatment
Master phenylketonuria (PKU) for Step 1 with enzyme defects, symptoms, newborn screening clues, and management strategies. Includes KOTC visuals and mnemonics.
🧠 Urea Cycle Simplified for USMLE Step 1: Steps, Disorders, and Mnemonics
Master the urea cycle with this Step 1 breakdown. Includes key enzymes, nitrogen disposal, genetic disorders like OTC deficiency, and high-yield memory tricks.