224 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
hypocalcemia: - Hypoparathyroidism ... - Vitamin D deficiency ... Laboratory #Levels #Hyperparathyroidism ... #Diagnosis #Endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
- Differential Diagnosis ... • Vitamin D Deficiency ... alpha-hydroxylase Deficiency ... Low PTH • Hypoparathyroidism ... #Differential #Diagnosis
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism ... • Secondary Hyperparathyroidism ... Phosphate Physical Symptoms ... pain Psychiatric Symptoms ... #diagnosis #endocrinology
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
or enemas - Treatment ... absorption - Hyperparathyroidism ... Mineralocorticoid deficiency ... Hypermagnesemia #Causes #diagnosis
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic ... Redistribution - 1° HPT ... glucose - Vitamin D Deficiency ... phosphorus #low #diagnosis
Hypocalcemia Differential Diagnosis Algorithm
 - Magnesium deficiency
 - Hypoparathyroidism 
 - Hypoalbuminemia (Pseudohypocalcemia)
 - Vitamin D
Hypocalcemia Differential Diagnosis ... Algorithm - Magnesium deficiency ... - Hypoparathyroidism ... ) - Vitamin D deficiency ... #Hypocalcemia #Diagnosis
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
- Differential Diagnosis ... Redistribution • Primary Hyperparathyroidism ... • Vit D deficiency ... #Differential #Diagnosis
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
- Differential Diagnosis ... Elevated - Secondary Hyperparathyroidism ... Malabsorption, Vit D deficiency ... Inappropriately Normal/Low - Hypoparathyroidism ... #Differential #Diagnosis
Iron Deficiency - Pathophysiology, Signs and Symptoms

#Iron #Deficiency #Pathophysiology #diagnosis #Signs #Symptoms
Iron Deficiency ... Pathophysiology, Signs and Symptoms ... #Iron #Deficiency ... Pathophysiology #diagnosis ... #Signs #Symptoms
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Magnesium - Functional Hypoparathyroidism ... resistance, Vitamin D deficiency ... Phosphate - Vitamin D deficiency ... #Differential #Diagnosis