Physiology

Nephrology

Hyperkalemia: Detailed Pathophysiology (↓ Renal Excretion)

Hyperkalemia: Detailed Pathophysiology (Intracellular shift and intake)

Hypokalemia: Physiology

Hyperkalemia: Physiology Overview

Hyponatremia: Physiology

Hypernatremia: Physiology

Physiology of the Renin-Angiotensin-Aldosterone System (RAAS)

Critical Care

Death: Cardiovascular, Respiratory and Neurologic Mechanisms

Altered Metabolism in the ICU: Pathogenesis and clinical findings

Refeeding Syndrome: Pathogenesis and clinical findings

Gastroenterology

Digestion and Absorption of Macromolecules

Neurotransmitters and Pharmacology behind Nausea and Vomiting

Vomiting: Pathogenesis

Respirology

Physiology of Oxygen-Hemoglobin Dissociation Curve

Approach to Arterial Blood Gases (ABGs)

Cough Physiology

Hypoxemia: Pathogenesis and clinical findings

Ischemia: Pathogenesis of Cellular Injury and Death

The A-a Gradient – Why it exists, and why we care

The A-a Gradient – Simple explanation

The A-a Gradient – More scientific explanation

Endocrine

Physiology of Anti-diuretic Hormone (ADH)/Arginine Vasopressin (AVP)

Feedback Loop: Prolactin (PRL)

Feedback Loop: Adrenocorticotropic Hormone (ACTH)

Feedback Loop: Thyroid Stimulating Hormone (TSH)

Feedback Loop: Growth Hormone (GH)

Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview

Overview of Calcium, Phosphate, and Vitamin D Physiology

Lipid Pathway Basics: Absorption, Transport and Storage of Triglyceride and Cholesterol

Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis

Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained

Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles

Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained

Menstrual Cycle Physiology: the Uterine Cycle

Hematology

Primary Hemostasis: Normal physiology, disorders, and clinical findings

Secondary Hemostasis: Coagulation Cascade

Medical Genetics

Physiology of Gene Transcription & Translation

Immunology

Humoral immunity

Innate Immune Response

Ophthalmology

Aqueous Humor Production and Drainage

Lacrimal Drainage System: Physiology

Neurology

Acute Somatic Pain

Neuromuscular Junction (NMJ): Physiology and pharmacology

Circle of Willis: Anatomy and Physiology

Pathogenesis of Neuropathic Pain

Basal Ganglia Pathways

Dermatology

Inflammatory Cascade: Pathogenesis and Clinical Findings

Acute Wound Healing: Pathogenesis and Clinical Findings

Orthopedics

Fracture Healing (and disruptors of this process)

RICE: Mechanism of Action