2146 results
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Hypercalcemia of ... intestinal calcium absorption ... and stimulates resorption ... @kdjhaveri #Hypercalcemia ... Differential #Diagnosis #algorithm
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... increased bone Ca2+ resorption ... Immobilization Hypercalcemia ... increased GI Ca2+ absorption
Hypercalcemia - Hormones and Pathophysiology  
Calcitriol:
 • Bones: Enhances mineralization
 • GI Tract: ↑ Ca2+
Hypercalcemia - ... Tract: ↑ Ca2+ absorption ... , ↑ PO4- absorption ... Tract: ↓ Ca2+ absorption ... +, ↓ PO4- #Hypercalcemia
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Calcium - Net Effect Hypercalcemia ... ↑ intestinal absorption ... ↑ bone reabsorption ... ↑ tubular reabsorption ... ↓↓ tubular reabsorption
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Differential Diagnosis Algorithm ... Hypocalciuric Hypercalcemia ... - Calcium Reabsorption ... Differential #Diagnosis #Algorithm
Differential Diagnosis of Hypo and Hypercalcemia #Diagnosis #EM #IM #Differential #Calcium #Hypocalcemia #Hypercalemia #Ddxof
Diagnosis of Hypo and Hypercalcemia ... Differential #Calcium #Hypocalcemia ... #Hypercalemia #
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Differential Diagnosis Algorithm ... Hypocalciuria Hypercalcemia ... Cytokine-Mediated Bone Resorption ... Differential #Diagnosis #Algorithm
Characteristics of Commonly Used Phosphate Binders 
Aluminum 
 - Potent and effective 
 - Useful for
Inexpensive - Treats hypocalcemia ... - No systemic absorption ... Lower risk of hypercalcemia ... - Significant absorption ... significant systemic absorption
Algorithmic Approach and Differential Diagnosis - Hypercalcemia
#Diagnosis #Hypercalcemia #Differential #Algorithm #Workup
Algorithmic Approach ... Differential Diagnosis - Hypercalcemia ... #Diagnosis #Hypercalcemia ... #Differential #Algorithm
Calcium Metabolism and management 

Satyendra Dhar MD, @DharSaty

#calcium #metabolism #hypocalcemia #hypercalcemia #albumin
calcium #metabolism #hypocalcemia ... #hypercalcemia