19 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory ... Evaluation Serum ... levels of PTH, ... disorders causing hypocalcemia ... kidney disease #Hypocalcemia
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Hypocalciuric Hypercalcemia ... Low PTH: • Elevated ... Thiazides/Lithium #Hypercalcemia ... #endocrinology
Laboratory Evaluation of Hypocalcemia #Diagnosis #EM #IM #Evaluation #Workup #Hypocalcemia #PTH #Differential #Algorithm #Ddxof
of Hypocalcemia ... #Diagnosis #EM ... #Workup #Hypocalcemia ... #PTH #Differential ... #Algorithm #Ddxof
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... resorption: • Primary hyperparathyroidism ... #Causes #differential ... #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... • Hypercalcemia ... Hypocalciuria Hypercalcemia ... Multiple Myeloma ... Paget's Disease #Hypercalcemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... ) • Calcium ... Poisoning #Hypocalcemia ... #Differential # ... Algorithm #Phosphate #endocrinology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... Hypocalciuric Hypercalcemia ... • Humoral Hypercalcemia ... DTomacruzM #Hypercalcemia ... #endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup ... Determine whether PTH-dependent ... uw_IMresidency #Hypercalcemia ... Diagnosis #algorithm #endocrinology ... #calcium
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... • Sarcoidosis (elevated ... Milk-alkali syndrome #Hypercalcemia ... #Causes #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Level Elevated ... sunlight • Other Causes ... emoryimchiefs #Hypocalcemia ... #Differential #