6 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory ... between disorders ... Hypoparathyroidism - Calcium-sensing ... Hyperparathyroidism #Diagnosis ... #Endocrinology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... Diagnosis Algorithm ... , Infiltrative disorders ... Pancreatitis, Sepsis
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia #workup ... #differential # ... diagnosis #endocrinology ... #calcium #elevated ... #evaluation #workup
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Lithium use • Calcium-sensing ... Vitamin D metabolic disorders ... • Sarcoidosis (elevated ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Plasma ACTH - Elevated ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... #endocrinology ... #workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... sediment, and elevated ... , APLA, PAC • Aseptic