16 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
failure, Addison's disease ... , Hyperthyroidism ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Granulomatous Disease ... Bone Resorption: Hyperthyroid ... #Differential # ... #causes #endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... workup choices AND management ... #Hyperthyroidism ... #Hyperthyroid # ... #Workup #Endocrinology
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Tumor lysis - Rhabdomyolysis ... hypocalciuric hypercalcemia ... - Hypothyroidism ... insufficiency (Addison's disease ... #differential
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... lysis syndrome, rhabdomyolysis ... #Differential # ... #PTH #endocrinology
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
- Differential ... Diagnosis and Management ... #Differential # ... #endocrinology ... #hypothyroid #Management
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Differential Diagnosis ... Framework and Management ... Endocrine: Hypo/Hyperthyroidism ... of underlying disease ... Diagnosis #Management
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
: • Graves disease ... course #hypothyroid ... #hyperthyroid # ... differential #diagnosis ... #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Diagnosis Algorithm ... Hyperparathyroidism • Rhabdomyolysis ... #Differential # ... #Phosphate #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
vitamin A intake • Hyperthyroidism ... • Paget's disease ... Chronic kidney disease ... #Causes #endocrinology ... #diagnosis #differential