72 results
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Hormonal Regulation ... Calcium #Regulation #Parathyroid ... #Calcitonin #Calcitriol ... #PTH #Endocrinology ... Pathophysiology #Hormones
Hypercalcemia Evaluation Algorithm 

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

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

(PTH = parathyroid hormone.)

#Hypocalcemia #Evaluation #Algorithm #Diagnosis #Differential
Hypocalcemia Evaluation Algorithm ... (PTH = parathyroid ... hormone.) ... Hypocalcemia #Evaluation #Algorithm ... #Diagnosis #Differential
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Diagnosis Algorithm ... diseases, Idiopathic calcitriol ... Hypercalcemia #Differential ... #Diagnosis #Algorithm
Mechanism of malignancy-associated hypercalcemia. Abbreviations: 1,25(OH)2D, 1,25-dihydroxyvitamin D; NHL, non-Hodgkin lymphoma; PTH, parathyroid hormone; PTHrP, PTH-related
non-Hodgkin lymphoma; PTH ... , parathyroid hormone ... ; PTHrP, PTH-related ... #Pathophys #Diagnosis ... Mechanism #Frequency #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 ... #Workup #Differential ... #Algorithm
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
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
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
Hypercalcemia - Differential ... Diagnosis Algorithm ... Elevated PTH (High ... : • Elevated Calcitriol ... #Diagnosis #Algorithm
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Diagnosis Framework ... Determine whether PTH-dependent ... Assess for other hormonal ... Assess for non-hormonal ... #Diagnosis #algorithm