12 results
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
#Parathyroid #Calcitonin ... #Calcitriol #PTH ... #Endocrinology
Impact and Challenges With Vitamin D to Treat Secondary Hyperparathyroidism in Patients With Chronic Kidney Disease
Calcitriol ... - Suppresses SHPT ... or better than calcitriol ... or better than calcitriol ... Cholecalciferol #Calcitriol
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

#Parathyroid #hormone #PTH #Calcitonin #phosphate
hormone (PTH) and Calcitonin ... #hormone #PTH #Calcitonin ... pathophysiology #endocrinology
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
• Increased calcitonin ... • Increased calcitonin ... #Differential #Endocrinology
Indications for Parathyroidectomy in Primary Hyperparathyroidism
 • All patients with symptomatic PHPT
 • Serum calcium 1
with symptomatic PHPT ... #Indications #PHPT ... #endocrinology
Vitamin D Metabolism
Fat-soluble vitamin
Sources: dermal synthesis and food (dairy products, fish)
Active form: calcitriol (1,25-OH Vitamin D)
Main
) Active form: calcitriol ... VitaminD #Metabolism #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
PTH: • Elevated Calcitriol ... Algorithm #causes #endocrinology
Hypercalcemia - Hormones and Pathophysiology  
Calcitriol:
 • Bones: Enhances mineralization
 • GI Tract: ↑ Ca2+
Pathophysiology Calcitriol ... Ca2+, ↓ PO4- Calcitonin ... Pathophysiology #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Excess Vitamin D/Calcitriol ... Diagnosis #Algorithm #Endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
prostate (release of calcitriol ... Hypercalcemia #Causes #endocrinology