2488 results
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
due to increased Vitamin ... Miscellaneous: Excessive vitamin ... Hypercalcemia #VitaminD ... #causes #differential ... #diagnosis #endocrinology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Hypercalcemia - Differential ... tuberculosis) • Vitamin ... Osteolytic Metastasis, Vitamin ... Hypercalcemia #Differential ... Algorithm #Causes #endocrinology
Hypocalcemia Differential Diagnosis Algorithm
 - Magnesium deficiency
 - Hypoparathyroidism 
 - Hypoalbuminemia (Pseudohypocalcemia)
 - Vitamin D
Hypocalcemia Differential ... Pseudohypocalcemia) - Vitamin ... Diagnosis #Algorithm #endocrinology ... #differential
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 ... pseudohypoparathyroidism) - Vitamin ... Hyperparathyroidism #Diagnosis #Endocrinology ... #Differential
Hypercalcemia Diagnosis Algorithm
 - Primary Hyperparathyroidism
 - FHH
 - Hypercalcemia of malignancy
 - Local osteolytic hypercalcemia
hypercalcemia - Check vitamin ... Diagnosis #Algorithm #endocrinology ... #differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Cholecalciferol - Excess Vitamin ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... • Lithium • Vitamin ... Bone Disease Vitamin ... Hypercalcemia #Differential ... Diagnosis #Algorithm #Endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
hypercalcemia Vitamin ... • Excessive vitamin ... 1,25-dihydroxy-vitamin ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
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
syndromes Excess vitamin ... Ingested or topical vitamin ... insufficiency Drugs: vitamin ... Hypercalcemia #Causes #Differential ... #Diagnosis #Endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... High PTH • Vitamin ... • Hereditary Vitamin ... #Hypocalcemia #Differential ... Algorithm #Phosphate #endocrinology