440 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 ... pathophysiology #endocrinology
Calcium Homeostasis

Serum Calcium - PTH - Vitamin D Regulation

#Calcium #Homeostasis #Pathophysiology #Autoregulation #VitaminD #PTH #Endocrinology
Calcium - PTH - Vitamin ... Autoregulation #VitaminD ... #PTH #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 ... calcitriol (1,25-OH Vitamin ... mendesthiagob #VitaminD ... #Metabolism #endocrinology
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 ... from circulating vitamin ... Homeostasis #PTH #VitaminD
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
due to increased Vitamin ... Miscellaneous: Excessive vitamin ... Hypercalcemia #VitaminD ... differential #diagnosis #endocrinology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
tuberculosis) • Vitamin ... Osteolytic Metastasis, Vitamin ... Algorithm #Causes #endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
PTH, ↑Calcium, ↑Vitamin ... PTH, ↓→Calcium, ↓Vitamin ... PTH, ↑Calcium, ↓Vitamin ... Hyperparathyroidism #diagnosis #endocrinology
Hypocalcemia Differential Diagnosis Algorithm
 - Magnesium deficiency
 - Hypoparathyroidism 
 - Hypoalbuminemia (Pseudohypocalcemia)
 - Vitamin D
Pseudohypocalcemia) - Vitamin ... Diagnosis #Algorithm #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
hypercalcemia Vitamin ... • Excessive vitamin ... 1,25-dihydroxy-vitamin ... • Excessive vitamin ... Hypercalcemia #Causes #endocrinology