13 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... histoplasmosis) • Milk (calcium ... alkali syndrome • Vitamin ... #Causes #differential ... #diagnosis #calcium
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... , Elements: • Calcium ... Deficiencies #Gastric #Bypass ... #table #differential
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... deficiency • Drugs: Calcium ... @aishaikh #Hypocalcemia ... #Workup #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Low PTH: • Elevated ... Cholecalciferol - Excess Vitamin ... Bony Mets - Calcium ... Diagnosis #Algorithm #causes
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... Milk-alkali syndrome • Vitamin ... Electrocardiogram #Differential ... #Causes #Diagnosis ... #Cardiology
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... - Differential ... Drug induced: Calcium ... Hyperphosphatemia, Low ... Hypophosphatemia: Vitamin
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Lithium use • Calcium-sensing ... Vitamin D metabolic ... #Causes #endocrinology ... #diagnosis #differential
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... High PTH • Vitamin ... • Hereditary Vitamin ... Poisoning #Hypocalcemia ... #Differential #
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
Causes of Hypocalcemia ... circulating calcium ... dietary intake - Vitamin ... Malabsorption syndrome - Vitamin ... #Causes #Differential
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... Diagnosis Decreased calcium ... absorption • Vitamin ... absorption - Intestinal bypass