18 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Evaluation Serum levels ... between disorders ... - Parathyroid hormone ... Hyperparathyroidism #Diagnosis #Endocrinology ... #Differential
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... Parathyroid hormone–dependent ... hyperparathyroidism Genetic disorders ... #Causes #Differential ... #Diagnosis #Endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup ... and Differential ... Assess for other hormonal ... Assess for non-hormonal ... Diagnosis #algorithm #endocrinology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... - Differential ... Granulomatous Disorders ... #Differential # ... Algorithm #Causes #endocrinology
Hypercalcemia Diagnosis Algorithm
 - Primary Hyperparathyroidism
 - FHH
 - Hypercalcemia of malignancy
 - Local osteolytic hypercalcemia
Hypercalcemia Diagnosis ... Local osteolytic hypercalcemia ... other endocrine disorders ... Diagnosis #Algorithm #endocrinology ... #differential
Ketosis Disorders - Comparison Table
 • Starvation Ketosis
 • Alcoholic Ketoacidosis (AKA)
 • Diabetic Ketoacidosis (DKA)
Ketosis Disorders ... - Comparison Table ... #ketones #differential ... diagnosis #management #endocrinology ... #comparison #table
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Insufficiency - Differential ... Adrenoleukodystrophy, genetic disorder ... Combined pituitary hormone ... Insufficiency #Differential ... Workup #Algorithm #endocrinology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Tumor Low Serum Hormone ... Cycles and Androgen Levels ... #Virilization #Differential ... Diagnosis #Algorithm #endocrinology
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
circulating calcium levels ... or parathyroid hormone ... absent parathyroid hormone ... #Causes #Differential ... #Diagnosis #Endocrinology
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
Causes of Hypercalcemia ... increased Vitamin D levels ... jamiekwillows #Hypercalcemia ... VitaminD #causes #differential ... #diagnosis #endocrinology