18 results
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential ... Diagnosis Algorithm ... diseases, Idiopathic calcitriol ... #Differential # ... Diagnosis #Algorithm
Hypercalcemia Evaluation Algorithm 

(PTH = parathyroid hormone; PTHrp: parathyroid hormone–related peptide.)

#Hypercalcemia #Evaluation #Algorithm #Diagnosis
Algorithm (PTH ... = parathyroid hormone ... hormone–related ... #Hypercalcemia # ... Evaluation #Algorithm #Diagnosis
Hypocalcemia Evaluation Algorithm 

(PTH = parathyroid hormone.)

#Hypocalcemia #Evaluation #Algorithm #Diagnosis #Differential
Hypocalcemia Evaluation ... Algorithm (PTH ... = parathyroid hormone ... #Algorithm #Diagnosis ... #Differential
Mechanism of malignancy-associated hypercalcemia. Abbreviations: 1,25(OH)2D, 1,25-dihydroxyvitamin D; NHL, non-Hodgkin lymphoma; PTH, parathyroid hormone; PTHrP, PTH-related
, parathyroid hormone ... ; PTHrP, PTH-related ... #Pathophys #Diagnosis ... #Hypercalcemia ... Mechanism #Frequency #Differential
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Serum levels of PTH ... activating mutation - Parathyroid ... hormone resistance ... Hyperparathyroidism #Diagnosis ... Endocrinology #Differential
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... measurement of parathyroid ... hormone (PTH) to ... #Diagnosis #Hypercalcemia ... #Workup #Differential
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
metabolism • Hypocalcemia ... Hypoparathyroidism • Parathyroid ... hormone resistance ... Decreased synthesis of calcitriol ... Signs #Symptoms #Diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Algorithm Elevated PTH ... Low PTH: • Elevated ... Calcitriol (1,25 ... #Differential #
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... prostate (release of calcitriol ... 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
Causes of Hypercalcemia ... Parathyroid hormone–dependent ... hormone–related ... #Causes #Differential ... #Diagnosis #Endocrinology