23 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... calcium)-alkali syndrome ... #Causes #differential ... calcium #high #endocrinology
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
Neoplasias (MEN syndromes ... Hyperparathyroidism • Hypercalcemia ... Hyperparathyroidism • Hypercalcemia ... MultipleEndocrineNeoplasia #Differential ... #Endocrinology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... Guillain-Barré syndrome ... Hyperreflexia: • Hypocalcemia ... Testing #Causes #differential ... #diagnosis #table
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... and Management ... PTH Signaling #Hypocalcemia ... #endocrinology ... #differential #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 ... Jansen disease #Hypercalcemia ... #Causes #Differential ... #Diagnosis #Endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Tumor lysis syndrome ... laxatives) #Hypocalcemia ... #Differential # ... Algorithm #PTH #endocrinology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... - Hungry bones syndrome ... Hypomagnesemia #Differential ... Low #Magnesium #Table
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... Pancreatitis, Sepsis ... metastases, Hungry bone syndrome ... @aishaikh #Hypocalcemia
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
Causes of Hypercalcemia ... Genetic: Williams syndrome ... jamiekwillows #Hypercalcemia ... VitaminD #causes #differential ... #diagnosis #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