36 results
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
Neoplasias (MEN syndromes ... Hyperparathyroidism • Hypercalcemia ... • Possible ZE syndrome ... • Cushing syndrome ... Hyperparathyroidism • Hypercalcemia
Hypocalcemia Differential Diagnosis Algorithm
 - Magnesium deficiency
 - Hypoparathyroidism 
 - Hypoalbuminemia (Pseudohypocalcemia)
 - Vitamin D
Hypocalcemia Differential ... Diagnosis Algorithm ... ARUPConsult @ARUPLabs #Hypocalcemia ... #Diagnosis #Algorithm ... #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... Tumor lysis syndrome ... laxatives) #Hypocalcemia ... Diagnosis #Algorithm
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Hypercalcemia ... calcium)-alkali syndrome ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Diagnosis Algorithm ... disease, Milk Alkali Syndrome ... disease, Viral Syndromes ... Diagnosis #Algorithm
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... Other humoral syndromes ... disease - Williams syndrome ... #Diagnosis #Endocrinology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... Formation: Hungy Bone Syndrome ... - DiGeorge Syndrome ... PTH Signaling #Hypocalcemia ... #differential #algorithm
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Diagnosis Algorithm ... Phenytoin, Nephrotic Syndrome ... Poisoning #Hypocalcemia ... Diagnosis #Algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... abnormalities - Hypercalcemia ... renal Mg wasting syndromes ... - Gitelman syndrome ... - Hungry bones syndrome
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Diagnosis Algorithm ... • Refeeding Syndrome ... Osteomalacia • Fanconi Syndrome ... #Diagnosis #Algorithm ... #endocrinology