93 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory ... : - Hypoparathyroidism ... activating mutation - Parathyroid ... Laboratory #Levels #Hyperparathyroidism ... #Diagnosis #Endocrinology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... Parathyroid hormone–dependent ... Primary hyperparathyroidism ... hypocalciuric hypercalcemia ... Differential #Diagnosis #Endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... structure-related • Primary hyperparathyroidism ... hypocalciuric hypercalcemia ... disease • Tertiary hyperparathyroidism ... #Causes #endocrinology
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
Causes of Hypocalcemia ... illness - Secondary hyperparathyroidism ... disease - Secondary hyperparathyroidism ... #Hypocalcemia ... Differential #Diagnosis #Endocrinology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Normal PTH: • Hyperparathyroidism ... : Parathyroid adenoma ... , Parathyroid hyperplasia ... , Parathyroid carcinoma ... nephrology #PTH #parathyroid
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... resorption: • Primary hyperparathyroidism ... Immobilization Hypercalcemia ... calcium #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Algorithm Primary Hyperparathyroidism ... and 2A Tertiary Hyperparathyroidism ... long-standing secondary hyperparathyroidism ... Diagnosis #Algorithm #Endocrinology
Hypercalcemia Diagnosis Algorithm
 - Primary Hyperparathyroidism
 - FHH
 - Hypercalcemia of malignancy
 - Local osteolytic hypercalcemia
Hypercalcemia Diagnosis ... Algorithm - Primary Hyperparathyroidism ... - FHH - Hypercalcemia ... Local osteolytic hypercalcemia ... Diagnosis #Algorithm #endocrinology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... Algorithm • Primary Hyperparathyroidism ... Hypocalciuric Hypercalcemia ... • Humoral Hypercalcemia ... Algorithm #Causes #endocrinology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone ... Calcium - Net Effect Hypercalcemia ... mendesthiagob #Parathyroid ... pathophysiology #endocrinology