22 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Hypercalcemia ... , Hyperthyroidism ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Differential Diagnosis ... Hypocalciuric Hypercalcemia ... Granulomatous Disease ... Thiazides/Lithium #Hypercalcemia
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory ... disorders causing hypocalcemia ... Chronic kidney disease ... #Hypocalcemia ... #Endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Differential Diagnosis ... Hyperparathyroidism • Hypercalcemia ... Hypocalciuria Hypercalcemia ... #Hypercalcemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Diagnosis Algorithm ... Hyperparathyroidism • Rhabdomyolysis ... Poisoning #Hypocalcemia ... #Phosphate #endocrinology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... Syndrome - Calcium ... PTH Signaling #Hypocalcemia ... #Diagnosis #Management ... #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... lysis syndrome, rhabdomyolysis ... laxatives) #Hypocalcemia ... #PTH #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... Milk-alkali syndrome #Hypercalcemia ... #Causes #endocrinology ... #diagnosis #differential
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Tumor lysis - Rhabdomyolysis ... hypocalciuric hypercalcemia ... - Hypothyroidism ... insufficiency (Addison's disease ... #differential
Constipation - Differential Diagnosis Algorithm
Diet/Lifestyle
 • Fibre
 • Calories
 • Fluid
 • Exercise
 • Psychosocial
Medications
 •
Constipation - Differential ... Diagnosis Algorithm ... Iron, Aluminum, Calcium ... Metabolic • Hypothyroidism ... • Hypercalcemia