29 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... - 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 ... Renal failure, ... thyrotoxicosis, adrenal ... #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 ... Diagnosis Framework ... Assess for non-hormonal ... #endocrinology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
- Differential ... Diagnosis Workup ... Combined pituitary hormone ... #Diagnosis #Workup ... #Algorithm #endocrinology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Diagnosis Algorithm ... GFR, AKI/CRF Hormonal ... Hypothyroidism • Adrenal ... #Diagnosis #Algorithm
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
: Hormone Evaluation ... Aldosterone and renin if hypokalemia ... #Tumors #Hormone ... #Evaluation #Diagnosis ... #workup #endocrinology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Diagnosis Algorithm ... GFR, AKI/CRF Hormonal ... Hypothyroidism • Adrenal ... #Diagnosis #Algorithm
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... Diagnosis GI losses ... Insipidus (Decr ADH ... Insipidus (Incr ADH ... #Diagnosis #Table
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Adrenocorticotropic hormone ... Insufficiency #Differential ... #Diagnosis #Algorithm ... #endocrinology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Diagnosis Algorithm ... Tumor Low Serum Hormone ... #Diagnosis #Algorithm ... #endocrinology