2275 results
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
) - Simplified Differential ... Endogenous • ACTH-dependent ... : - ACTH-secreting ... Disease) - ACTH-secreting ... Cushings #syndrome #Differential
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Baseline plasma ACTH ... High baseline ACTH ... normal baseline ACTH ... Insufficiency #Differential
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
to a bolus of ACTH ... - Check ACTH ... Step 3) Differentiate ... looking at the ACTH ... - Low ACTH is
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Insufficiency - Differential ... Diagnosis Algorithm ACTH-Dependent ... Hypothalamic Dysfunction ACTH-Independent ... Insufficiency #AI #Differential
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Adrenal Mass - Differential ... Hyperplasia • ACTH ... Dependent • ACTH ... AdrenalMass #Benign #Differential
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Insufficiency - Differential ... apoplexy • Isolated ACTH-deficiency ... Insufficiency #Differential
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Insufficiency - Differential ... adrenomyeloneuropathy ACTH ... Insufficiency #Differential
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
Pituitary Mass - Differential ... • GH • ACTH ... SellarMass #Pituitary #Differential
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Metabolic Alkalosis: Differential ... because of ectopic ACTH ... Metabolic #Alkalosis #Differential
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential ... hypophysitis, or isolated ACTH ... #Hyponatremia #Differential