10 results
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Insufficiency Algorithm ... - Cosyntropin Stimulation ... Test T-1m: Baseline ... Insufficiency #Testing ... #Stimulation #endocrinology
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Insufficiency Diagnosis Algorithm ... , only seen in PRIMARY ... test: Steroids ... interact with stim test ... #StimTest #Endocrinology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... then go to stim testing ... Standard Stim test ... #ACTH #Stimulation ... #Test #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... high T4 +/- T3 → Primary ... Hyperthyroidism ... #algorithm #diagnosis ... #endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
, hypoglycemia Testing ... hormone (ACTH) stimulation ... test AND • Baseline ... baseline ACTH - Primary ... #endocrinology
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... require Cosyntropin testing ... : Cosyntropin Stimulation ... Differentiate primary ... #Endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... Pregnancy, Breast Stimulation ... + High TSH • Primary ... Hypothyroidism ... #Endocrinology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Primary Adrenal ... Insufficiency: • ACTH stimulation ... autoimmune-mediated primary ... laboratory #diagnosis #testing ... #endocrinology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
hypothyroidism ... clue • Blood tests ... present - ACTH stimulation ... test: Administer ... addisons #disease #endocrinology
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
A lazy man's classification ... essentially the same tests ... osmolality and urinary ... cerebral salt wasting ... #Hyponatremia #Algorithm