36 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... hormone (ACTH) stimulation ... • Low or normal
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Algorithm - Cosyntropin ... Stimulation Test ... #Testing #Algorithm ... #Cosyntropin #Stimulation
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... unclear (often the case ... then go to stim testing ... primary AI - Low ... #ACTH #Stimulation
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal Insufficiency ... - Algorithm ... specificity for AI (but low ... require Cosyntropin testing ... - Low ACTH is
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
between 8 and 9 AM - Low ... aldosterone - Low ... in cases in which ... Plasma ACTH - Low ... laboratory #diagnosis #testing
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Production - Stimulation ... #causes #potassium ... #low #pathophysiology
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... Primary adrenal insufficiency ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #differential #causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Primary polydipsia, Low ... intake, Renal insufficiency ... #differential #algorithm ... #causes #nephrology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... Pregnancy, Breast Stimulation ... Prolactin + Normal/ Low ... Differential #Diagnosis #Algorithm ... Endocrinology #Causes
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Primary Adrenal Insufficiency ... aldosterone Causes ... of Adrenal Insufficiency ... • Weakness • Low-grade ... present - ACTH stimulation