9 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Evaluation Serum ... differentiate between disorders ... deficiency - Chronic ... Hyperparathyroidism #Diagnosis ... #Endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... BrighamChiefs #Hypercalcemia ... #workup #differential ... #diagnosis #endocrinology ... #workup
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 ... hyperparathyroidism Genetic disorders ... failure, acute or chronic ... #Differential #Diagnosis ... #Endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Vitamin D metabolic disorders ... Pheochromocytoma Chronic ... #Causes #endocrinology ... #diagnosis #differential
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
- Differential Diagnosis ... Lymphoproliferative Disorders ... (AML) • Chronic ... Sarcoidosis • Hypercalcemia ... #Algorithm #endocrinology
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
- Evaluation and ... Differential Diagnosis ... chronicity (acute, chronic ... , or acute on chronic ... #Evaluation #workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... Approach (when evaluation ... Vasculitis • Endocrinologic ... Hyperthyroidism, Hypercalcemia
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
secretion; in chronic ... Insufficiency #Evaluation ... #laboratory #diagnosis ... #testing #endocrinology ... #workup
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
Diagnosis? ... Biopsy: Solitary disorder ... CRAB - no anemia, hypercalcemia ... Evaluation? ... #Workup #Hematology