41 results
Vitamin D Metabolism

#VitaminD #Metabolism #Pathophysiology #Endocrinology #Pathways
Vitamin D Metabolism ... #VitaminD #Metabolism ... #Pathophysiology ... #Endocrinology
Vitamin D Metabolism Pathways

Dr. Jamie Willows @jamiekwillows

#VitaminD #Metabolism #Pathways #pathophysiology #endocrinology
Vitamin D Metabolism ... jamiekwillows #VitaminD ... #Metabolism #Pathways ... #pathophysiology ... #endocrinology
Vitamin D Metabolism
Fat-soluble vitamin
Sources: dermal synthesis and food (dairy products, fish)
Active form: calcitriol (1,25-OH Vitamin D)
Main
Vitamin D Metabolism ... Fat-soluble vitamin ... mendesthiagob #VitaminD ... #Metabolism #endocrinology ... #pathophysiology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
PTH, ↑Calcium, ↑Vitamin ... PTH, ↓→Calcium, ↓Vitamin ... Symptoms: Commonly no signs ... Hyperparathyroidism #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
Woltman’s sign on ... deep-tendon reflex, is a neurologic ... Reflexes #Delayed #Clinical ... #Video #Neurology ... #Endocrinology
â–º
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
hypothyroidism Pathophysiology ... mitochondrial oxidative metabolism ... fibers Spectrum of Clinical ... #signs #symptoms ... #endocrinology
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
Pathogenesis and Clinical ... the etiology Signs ... GravesDisease #pathophysiology ... #endocin #endocrinology ... #symptoms #signs
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
activates lipolysis Signs ... thickness) - metabolic ... #FeedbackLoop #endocrinology ... #pathophysiology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Pathogenesis and Clinical ... Signs/Symptoms: ... Hyperthyroidism #endocrinology ... #pathophysiology
Complications of CKD
 - Patients with stages 1-3 ([GFR] >30 mL/min) of CKD are generally asymptomatic;
imbalances or endocrine/metabolic ... derangements are not clinically ... disturbances manifest clinically ... #Pathophysiology ... #Nephrology #CKD