2415 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... Hypoparathyroidism - Calcium-sensing ... activating mutation - Parathyroid ... Endocrinology #Differential
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Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Hypercalcemia Parathyroid ... adenoma • Parathyroid ... hyperplasia • Parathyroid ... Lithium use • Calcium-sensing ... endocrinology #diagnosis #differential
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
low circulating calcium ... Genetic defects in calcium-sensing ... receptor or parathyroid ... hormone with parathyroid ... Hypocalcemia #Causes #Differential
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Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
PTH-mediated • Parathyroid ... and intestinal calcium ... Mediated - Stimulate calcium ... Pathophysiology #Differential
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
measurement of parathyroid ... Urine calcium-creatinine ... .44 Of note, at calcium-creatinine ... Abbreviations: CaSR, calcium-sensing ... Hypercalcemia #Workup #Differential
CHIMPANZEES Mnemonic for Causes of Hypercalcemia

C - Calcium supplementation
H - Hyperparathyroidism
I - Immobilization, Iatrogenic 
M -
Hypercalcemia C - Calcium ... syndrome P - Parathyroid ... Hypercalcemia #Calcium ... #Differential #
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone ... PTH) Effect in Calcium ... and Phosphorus Calcium ... mendesthiagob #Parathyroid ... #parathormone #Calcium
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
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

#Parathyroid #hormone #PTH #Calcitonin #phosphate
Effects of Parathyroid ... Calcitonin on Calcium ... Metabolism #Parathyroid
Hypocalcemia is an electrolyte imbalance and is indicated by a low level of calcium in the
a low level of calcium ... Calcium is important ... Normal blood calcium ... the actions of parathyroid