16 results
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... Pseudohyperparathyroidism, Renal ... calcium)-alkali syndrome ... calcium #high #endocrinology
Primary vs Secondary Adrenal Insufficiency - Pathophysiology
Primary AI = adrenal glands themselves are the problem. This
Insufficiency - Pathophysiology ... Primary AI = adrenal ... Secondary AI = the ... Insufficiency #Pathophysiology ... #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
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... Other humoral syndromes ... thyrotoxicosis, adrenal ... Differential #Diagnosis #Endocrinology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Adrenal Insufficiency ... Summary Primary Adrenal ... Hyperkalemia is ... hypophysitis, Sheehan's syndrome ... Diagnosis #Management #Endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal ... Polyglandular Autoimmune Syndrome ... Thrombophilia (adrenal ... Insufficiency #AI ... Algorithm #Causes #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... , adrenal, prostate ... • Milk-alkali syndrome ... #Hypercalcemia ... #Causes #endocrinology
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes of Adrenal ... vessels to the adrenal ... Waterhouse-Friderichsen syndrome ... Insufficiency #AI ... differential #diagnosis #endocrinology
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
BRASH Syndrome ... Bradycardia R - Renal ... S - Shock H - Hyperkalemia ... DrEricStrong #BRASH #Syndrome ... diagnosis #management #pathophysiology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... • Chronic Renal ... Tumor lysis syndrome ... laxatives) #Hypocalcemia ... Algorithm #PTH #endocrinology
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
21-OHD in the adrenal ... wasting crisis & hyperkalemia ... as "congenital adrenal ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology