7 results
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Regulation of the Blood Calcium ... concentration #Calcium ... #Regulation #Parathyroid ... #Calcitonin #Calcitriol
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Parathyroid gland ... Lithium use • Calcium-sensing ... prostate (release of calcitriol ... Hypercalcemia #Causes
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Abnormalities of calcium ... Hypoparathyroidism • Parathyroid ... Decreased synthesis of calcitriol
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
PTH: • Elevated Calcitriol ... Bony Mets - Calcium ... Diagnosis #Algorithm #causes
Radial Fracture Due to Parathyroid Carcinoma- ...A plain radiograph of the left arm showed a diaphyseal
Fracture Due to Parathyroid ... with an intact parathyroid ... 65) and a serum calcium ... which is a rare cause ... milliliter and his calcium
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
Causes of Hypocalcemia ... by Clinical Cause ... low circulating calcium ... Genetic defects in calcium-sensing ... #Hypocalcemia #Causes
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
vast majority of cases ... Incr levels of parathyroid ... > Clearance of calcium ... mineralization of calcium