38 results
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
- Differential Diagnosis ... Workup Algorithm ... Combined pituitary hormone ... deficiency Tertiary ... #endocrinology
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
Algorithm for the diagnostic ... workup of hyperthyroidism ... thyroid-stimulating hormone ... #workup #aafp # ... endocrinology
Pathogenesis and Pathophysiology of Diabetic Ketoacidosis (DKA)

DKA is a result of an absolute or relative insulin
relative insulin deficiency ... primary anabolic hormone ... counterregulatory hormones ... #Pathophysiology ... DKA #Diabetes #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 ... Assess for other hormonal ... Assess for non-hormonal ... #algorithm #endocrinology
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Incidentalomas: Hormone ... Fasciculata: Cushing Syndrome ... Adrenal #Tumors #Hormone ... #Evaluation #Diagnosis ... #workup #endocrinology
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
Hypercalcemia Parathyroid hormone–dependent ... ) Parathyroid hormone–independent ... - Parathyroid hormone–related ... #Differential #Diagnosis ... #Endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Feedback Loop: Growth Hormone ... (GH) Growth Hormone ... Symptoms: • GH deficiency ... #FeedbackLoop #endocrinology ... #pathophysiology
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
- Parathyroid hormone ... - Vitamin D deficiency ... Hyperparathyroidism #Diagnosis ... #Endocrinology
The principal endocrine 'axes' and glands. Parathyroid glands, adrenal zona glomerulosa and endocrine pancreas are not
gonadotrophin-releasing hormone ... Endocrine #Axes #Endocrinology ... #Pathophysiology ... #Pathways #Diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Binders, Vitamin D Deficiency ... Estrogen based hormonal ... #Differential #Diagnosis ... nephrology #phosphorus #workup