24 results
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
#Parathyroid #Calcitonin ... #Calcitriol #PTH
Hypercalcemia - Hormones and Pathophysiology  
Calcitriol:
 • Bones: Enhances mineralization
 • GI Tract: ↑ Ca2+
Pathophysiology Calcitriol ... Ca2+, ↓ PO4- Calcitonin
Pharmacologic Options for Hypercalcemia Associated with Cancer
Rehydration with NS followed by loop diuretics
 • IV normal
conversion to calcitriol ... • Calcitonin
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

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

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
• Increased calcitonin ... • Increased calcitonin
Initial treatment of renal bone disease and cinacalcet for secondary hyperparathyroidism
Phosphate binders reduce hyperphosphataemia and hyperparathyroidism.
Calcitriol improves ... Sensipar #Cinacalcet #Calcitriol
Impact and Challenges With Vitamin D to Treat Secondary Hyperparathyroidism in Patients With Chronic Kidney Disease
suppresses SHPT Calcitriol ... or better than calcitriol ... or better than calcitriol ... Cholecalciferol #Calcitriol
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
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Decreased synthesis of calcitriol
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
PTH: • Elevated Calcitriol