The Vagus Nerve

The Vagus Nerve
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Learn medicine differently. This is your lo-fi, ASMR-inspired guide to medical school and beyond. We cover high-yield topics from biochem to clinical pathology in a calm environment designed to maximize focus and retention. Think of it as a study session for your parasympathetic nervous system. Less anxiety, more knowledge. Visit https://myvagusnerve.org/ for live sessions and more.

Episodes

  1. 5 DAYS AGO

    Renal Acid–Base Physiology: Test Your Understanding

    This episode challenges you to apply core concepts in renal acid–base physiology. Use it to test your understanding and identify weak spots. For structured learning paths and live review sessions, visit myvagusnerve.org.

    12 min

  2. 6 DAYS AGO

    The Kidney as Master Chemist: Demystifying Acid-Base, Potassium, and DKA

    We've explored the kidney as a physical filter. Now, we enter the chemistry lab. In this essential episode, we reveal the kidney's second, more profound role: managing the body's invisible threats. This is the session that demystifies blood gas reports and electrolyte panels by explaining the 'why' behind the numbers. High-Yield Concepts Covered: Acid-Base Balance: A first-principles look at how the kidney handles the daily acid load, recycles bicarbonate, and why this is different from the lungs' role.Potassium (K+) Homeostasis: The elegant link between Aldosterone, sodium, and the final, life-or-death decision to excrete potassium.The DKA Paradox: The definitive explanation for why a patient can have dangerously high potassium in their blood but be depleted of it in their body—a must-know for clinical practice.The Logic of Diuretics: How Loop Diuretics cause both hypokalemia and metabolic alkalosis, and why Acetazolamide's effect is fundamentally different.This is your guide to mastering some of the most feared topics in renal physiology. Stop memorizing equations and start understanding the elegant chemistry of homeostasis. Perfect for USMLE Step 1, MCAT, and NCLEX review. Check out myvagusnerve.org for more.

    14 min

  3. 5 JAN

    Renal Physiology Masterclass Quiz I

    You've learned the 'how' of the kidney. Now, it's time to master the 'why'. In this deep-dive Q&A session, we move beyond the textbook to answer the high-level conceptual questions that forge true clinical understanding of renal physiology. This is the episode where memorized facts about the nephron crystallize into lasting knowledge. High-Yield Topics Covered: BUN vs. Creatinine: The definitive clinical reason why Creatinine is the superior marker for GFR.Autoregulation Explained Simply: How the kidney protects itself from high blood pressure.Diabetes & The Kidney: Understanding the Transport Maximum (Tmax) and why glucose spills into the urine.The Origin of Waste: A clear explanation of where Urea and Creatinine actually come from.The Angiotensin II "Double-Edged Sword": Its brilliant short-term fix and dangerous long-term consequence.Diuretics & Electrolytes: The dangerous risks of hypokalemia with Loop Diuretics.This episode is your essential audio companion for acing questions on the USMLE Step 1, MCAT, and NCLEX. Stop memorizing, start understanding. Visit https://myvagusnerve.org/ for live sessions and more.

    11 min

  4. 5 JAN

    Renal Physiology Masterclass I

    Stop memorizing and start understanding. In this episode of The Vagus Nerve we dive into nephron physiology and renal pharmacology. Designed for USMLE Step 1, Step 2 CK, and NCLEX prep, this deep dive clarifies how the kidney manages volume and blood pressure. Learn the clinical logic behind Loop Diuretics, Thiazides, and Spironolactone in a calm, parasympathetic state. Mastery of the Na-K-2Cl cotransporter, Vasa Recta countercurrent exchange, and Aldosterone starts here. Visit https://myvagusnerve.org/ for live sessions and more.

    10 min

  5. 16/12/2025

    The Cascade of Control: The RAAS Pathway

    What happens when your body faces a crisis? When blood pressure plummets, a silent, powerful system is activated to restore balance. In this immersive audio experience, we journey deep into the Renin-Angiotensin-Aldosterone System (RAAS), the body's master regulator of blood pressure and fluid balance. This is not a dry lecture; it's a guided visualization designed for deep, intuitive understanding. We will trace the entire molecular domino effect: The kidney's Juxtaglomerular Apparatus, understanding the baroreceptors and chemoreceptors that sense the initial crisis.The creation of Renin, its journey to the liver, and the powerful conversion of Angiotensin I to Angiotensin II in the lungs via ACE. Angiotensin II's multi-organ assault: vasoconstriction, thirst stimulation in the brain, and the release of ADH from the pituitary.The adrenal gland's role as we follow Aldosterone on its mission to the kidney's collecting ducts, building sodium and potassium channels at the molecular level.Finally, we connect this intricate physiology to clinical practice. You will understand why RAAS becomes a destructive force in heart failure and chronic hypertension, and how cornerstone medications like ACE Inhibitors, ARBs, and Aldosterone Antagonists work to intelligently interrupt this cascade. Prepare to transform your understanding of one of medicine's most elegant and critical pathways, moving from rote memorization to profound comprehension. Visit https://myvagusnerve.org/ for live sessions and more.

    12 min

  6. 12/12/2025

    A Guided Meditation Through Your Autonomic Nervous System

    Welcome to a special episode of The Vagus Nerve. Today, we go within. You will use your own body as a textbook. Stop trying to brute-force memorize charts of the Autonomic Nervous System. That's 'fight-or-flight' learning, and it doesn't work. This guided meditation is designed for deep, parasympathetic learning. You won't just learn about the ANS; you will embody it. In this high-yield body scan, you will: Trace the Origins: Physically locate the difference between the Parasympathetic (Craniosacral) and Sympathetic (Thoracolumbar) origins in your own body. Map the Vagus Nerve: Visualize the precise path of Cranial Nerve X as it exits your medulla oblongata, travels down your neck with the carotid artery, and innervates your heart and gut. Visualize the Sympathetic Chain: "See" the chain of command running parallel to your spine and understand the role of the adrenal medulla as a system-wide amplifier. Feel the Physiology: Experience the difference between Beta-1 stimulation (the powerful 'storm') and M2 stimulation (the calm 'vagal brake') on your own heart. Link Receptors to Reality: Connect pupil constriction (miosis) and dilation (mydriasis) to their specific receptors (M3 vs. Alpha-1). Find a quiet space, close your eyes, and prepare to learn from within. Visit https://myvagusnerve.org/ for live sessions and more.

    6 min

  7. 12/12/2025

    The Shadow Protocols: Hypersensitivity Reactions

    The immune system is a weapon. This episode teaches you what happens when it's turned inward. We dissect the four 'Shadow Protocols' of Hypersensitivity—from the immediate chaos of Type I Anaphylaxis to the slow, T-cell mediated rot of Type IV Contact Dermatitis. Master the mechanisms and classic examples to conquer this high-yield topic. Visit https://myvagusnerve.org/ for live sessions and more.

    12 min
  8. The War on Christmas: An Immunological Carol

    11/12/2025

    The War on Christmas: An Immunological Carol

    This Christmas, learn how your body wages its own 'War on Christmas' against invading pathogens. In this immunological carol, we cover the immediate 'Home Alone' traps of the innate system (Neutrophils, NK cells) versus the elite 'snipers' and 'forgers' of the adaptive system (T-Cells, B-Cells). Master the fundamental differences and prepare for a complex clinical question on how clever viruses try to evade both.

    9 min
  9. Red Alert at the Filtration Matrix: A Guide to Glomerulonephritis

    11/12/2025

    Red Alert at the Filtration Matrix: A Guide to Glomerulonephritis

    Red Alert! The ship's bio-organic filtration matrix—the Glomerulus—is failing. Is it a violent "Matrix Breach" with red alerts and pressure spikes (Nephritic Syndrome)? Or is it a silent, "Catastrophic Filter Failure" leading to massive protein leaks and hull swelling (Nephrotic Syndrome)? Join us as we run a deep diagnostic scan on the classic GNs, from the "Alien Spores" of PSGN to the "Ghost Sabotage" of Minimal Change Disease. Learn to interpret the forensic evidence and save the ship. Visit https://myvagusnerve.org/ for live sessions and more.

    9 min
  • 9 Episodes

About

Learn medicine differently. This is your lo-fi, ASMR-inspired guide to medical school and beyond. We cover high-yield topics from biochem to clinical pathology in a calm environment designed to maximize focus and retention. Think of it as a study session for your parasympathetic nervous system. Less anxiety, more knowledge. Visit https://myvagusnerve.org/ for live sessions and more.

Information

  • Creator
    The Vagus Nerve
  • Years Active
    2025 - 2026
  • Episodes
    9
  • Rating
    Clean
  • Copyright
    © The Vagus Nerve
  • Show Website
    The Vagus Nerve

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