49 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... hypocalcemia: - Hypoparathyroidism ... - Calcium-sensing ... #Diagnosis #Endocrinology ... #Differential
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
: ↑→PTH, ↑Calcium ... : ↑PTH, ↓→Calcium ... : ↑↑PTH, ↑Calcium ... #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Activating Mutation in Calcium ... ) • Calcium ... #Hypocalcemia #Differential ... Algorithm #Phosphate #endocrinology
Calcium Homeostasis

Serum Calcium - PTH - Vitamin D Regulation

#Calcium #Homeostasis #Pathophysiology #Autoregulation #VitaminD #PTH #Endocrinology
Calcium Homeostasis ... Serum Calcium ... Regulation #Calcium ... #Homeostasis #Pathophysiology ... VitaminD #PTH #Endocrinology
Initial treatment of renal bone disease and cinacalcet for secondary hyperparathyroidism
Phosphate binders reduce hyperphosphataemia and hyperparathyroidism.
for secondary hyperparathyroidism ... Calcium-containing ... hypocalcaemia and hyperparathyroidism ... #Pharmacology #Pathophysiology ... #Secondary #Hyperparathyroidism
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Autosomal Dominant Calcium ... Other • Excess Calcium ... Hypercalcemia #Differential ... Diagnosis #Algorithm #Endocrinology
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Regulation of the Blood Calcium ... concentration #Calcium ... Calcitriol #PTH #Endocrinology ... #Pathophysiology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
resorption: • Primary hyperparathyroidism ... histoplasmosis) • Milk (calcium ... Hypercalcemia #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... normal): • Primary Hyperparathyroidism ... Bony Mets - Calcium ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Indications for Parathyroidectomy in Primary Hyperparathyroidism
 • All patients with symptomatic PHPT
 • Serum calcium 1
Parathyroidectomy in Primary Hyperparathyroidism ... PHPT • Serum calcium ... nephrocalcinosis, 24h urine calcium ... Indications #PHPT #endocrinology ... #management #Hyperparathyroidism