9 results
Laboratory Evaluation of Hypocalcemia #Diagnosis #EM #IM #Evaluation #Workup #Hypocalcemia #PTH #Differential #Algorithm #Ddxof
of Hypocalcemia ... #Diagnosis #EM ... #Workup #Hypocalcemia ... #PTH #Differential ... #Algorithm #Ddxof
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Evaluation Serum ... levels of PTH, ... - Calcium-sensing ... #Diagnosis #Endocrinology ... #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis ... Malignancy • PTH-Related ... Multiple Myeloma ... #Endocrinology ... #HighCalcium
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 ... #Workup #Differential ... #endocrinology ... #calcium
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 ... #causes #endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 2) PTH - Frankly ... #workup #differential ... #diagnosis #endocrinology ... #evaluation #workup
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Lithium use • Calcium-sensing ... malignancies • Multiple myeloma ... #Causes #endocrinology ... #diagnosis #differential
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... resorption • Hypoparathyroidism ... Diagnosis #Causes ... #endocrinology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... (when evaluation ... Vasculitis • Endocrinologic ... #causes #Differential