Amino Acid Disorders & The Urea Cycle — PKU, Homocystinuria & Hyperammonemia | USMLE Step 1 скачать в хорошем качестве

Amino Acid Disorders & The Urea Cycle — PKU, Homocystinuria & Hyperammonemia | USMLE Step 1

Master amino acid metabolism and the urea cycle for USMLE Step 1! This high-yield review covers the complete urea cycle (CPS I, OTC, ASS, ASL, Arginase), hyperammonemia treatment, PKU, maple syrup urine disease, homocystinuria vs Marfan syndrome, alkaptonuria, cystinuria, and Hartnup disease. ⏱️ Timestamps: 0:00 — Clinical Hook: OTC Deficiency 0:50 — The Urea Cycle (All 5 Enzymes) 2:25 — Urea Cycle Defects (OTC vs CPS I) 3:55 — Treating Hyperammonemia 5:10 — PKU & Maternal PKU 6:45 — MSUD & Homocystinuria 8:15 — Alkaptonuria, Cystinuria & Hartnup 9:40 — Pattern Recognition for Boards 10:20 — Rapid Review: Board Buzzwords 📚 Key Topics: • CPS I — rate-limiting enzyme, requires NAG • OTC deficiency — most common, X-linked, ↑orotic acid • PKU — fair skin, musty odor, tyrosine becomes essential • Maternal PKU — teratogenic (microcephaly, heart defects) • MSUD — I Love Vermont, maple syrup smell, needs B1 • Homocystinuria — lens DOWN (vs Marfan UP), needs B6 • Cystinuria — hexagonal crystals, COLA amino acids • Hartnup — pellagra symptoms, niacin treatment 🔗 More USMLE Prep Pro: 🌐 https://www.usmlepreppro.com/ 📘   / usmlepreppro   📱 https://whatsapp.com/channel/0029Vb6z... #USMLEStep1 #AminoAcidDisorders #UreaCycle #PKU #Homocystinuria #MSUD #Biochemistry #OTCDeficiency #BoardReview #MedSchool #USMLEPrepPro