8 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Serum levels of PTH ... : - Hypoparathyroidism ... - Calcium-sensing ... #Diagnosis #Endocrinology ... #Differential
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Diagnosis Algorithm ... ) • Calcium ... • Secondary ... #Phosphate #endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Tertiary Lab Comparison ... : ↑→PTH, ↑Calcium ... : ↑PTH, ↓→Calcium ... : ↑↑PTH, ↑Calcium ... #diagnosis #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis ... long-standing secondary ... Malignancy • PTH-Related ... #Differential # ... #Endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Algorithm Elevated PTH ... normal): • Primary Hyperparathyroidism ... Bony Mets - Calcium ... #causes #endocrinology
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... hyperparathyroidism ... , Elements: • Calcium ... nutrition #table #differential ... #diagnosis #bariatric
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... absorption - Intestinal bypass ... resorption • Hypoparathyroidism ... #endocrinology
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
severe illness - Secondary ... hyperparathyroidism ... low circulating calcium ... #Causes #Differential ... #Diagnosis #Endocrinology