15 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Serum levels of PTH ... hypocalcemia: - Hypoparathyroidism ... - Calcium-sensing ... activating mutation - Parathyroid ... #Diagnosis #Endocrinology
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
concentration #Calcium ... #Regulation #Parathyroid ... Calcitonin #Calcitriol #PTH ... #Endocrinology ... #Pathophysiology
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

#Parathyroid #hormone #PTH #Calcitonin #phosphate
Effects of Parathyroid ... hormone (PTH) and ... Calcitonin on Calcium ... phosphate #metabolism #pathophysiology ... #endocrinology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone ... (PTH) Effect in ... #Hormone #PTH # ... #Phosphorus #pathophysiology ... #endocrinology
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
- Differential Diagnosis ... Activating Mutation in Calcium ... ) • Calcium ... #Differential #Diagnosis ... Algorithm #Phosphate #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
structure-related • Primary hyperparathyroidism ... Lithium use • Calcium-sensing ... disease • Tertiary hyperparathyroidism ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Algorithm Elevated PTH ... normal): • Primary Hyperparathyroidism ... Bony Mets - Calcium ... Algorithm #causes #endocrinology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... PTH-mediated ... • Parathyroid cancer ... and intestinal calcium ... #Differential #Diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
- Differential Diagnosis ... Autosomal Dominant Calcium ... Malignancy • PTH-Related ... Other • Excess Calcium ... #Algorithm #Endocrinology