8 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory ... Evaluation Serum ... levels of PTH, ... disorders causing hypocalcemia ... kidney disease #Hypocalcemia
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Hypocalciuric Hypercalcemia ... Low PTH: • Elevated ... Thiazides/Lithium #Hypercalcemia ... #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... • Hypercalcemia ... Hypocalciuria Hypercalcemia ... Multiple Myeloma ... Paget's Disease #Hypercalcemia
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Level Elevated ... Level Inappropriately ... emoryimchiefs #Hypocalcemia ... #Differential #
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... • Sarcoidosis (elevated ... Milk-alkali syndrome #Hypercalcemia ... #Causes #endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 2) PTH - Frankly ... BrighamChiefs #Hypercalcemia ... #workup #differential ... #calcium #elevated
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
Causes of Hypocalcemia ... levels Autoimmune ... Family history of hypocalcemia ... #Hypocalcemia ... #Causes #Differential
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... resorption • Hypoparathyroidism ... Rhabdomyolysis #Hypocalcemia ... #endocrinology