30 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 ... Symptoms: Commonly no signs ... Hyperparathyroidism #diagnosis ... #endocrinology ... Secondary #Tertiary #pathophysiology
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Comparison #Table #Pathophysiology ... #Signs #Symptoms ... #Diagnosis #Endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
hypercalcemia Vitamin ... D metabolic disorders ... • Excessive vitamin ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
Woltman’s sign on Physical Exam

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