9 results
Vitamin D Metabolism

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

Serum Calcium - PTH - Vitamin D Regulation

#Calcium #Homeostasis #Pathophysiology #Autoregulation #VitaminD #PTH #Endocrinology
Calcium - PTH - Vitamin ... #Homeostasis #Pathophysiology ... Autoregulation #VitaminD ... #PTH #Endocrinology
Vitamin D Metabolism Pathways

Dr. Jamie Willows @jamiekwillows

#VitaminD #Metabolism #Pathways #pathophysiology #endocrinology
Vitamin D Metabolism ... jamiekwillows #VitaminD ... Metabolism #Pathways #pathophysiology ... #endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
vs Secondary vs Tertiary ... PTH, ↑Calcium, ↑Vitamin ... ↓Phosphate • Tertiary ... Hyperparathyroidism #diagnosis #endocrinology ... #pathophysiology
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
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
chiefly by hormones vitamin ... Vitamin D enters ... increasing active vitamin ... #Pathophysiology ... #Endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
hypercalcemia Vitamin ... • Excessive vitamin ... 1,25-dihydroxy-vitamin ... kidney disease • Tertiary ... Hypercalcemia #Causes #endocrinology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Lithium-associated Tertiary ... syndromes Excess vitamin ... Ingested or topical vitamin ... insufficiency Drugs: vitamin ... Differential #Diagnosis #Endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
MEN 1 and 2A Tertiary ... • Lithium • Vitamin ... Bone Disease Vitamin ... Related • Excess Vitamin ... Diagnosis #Algorithm #Endocrinology