158 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... High Uric Acid → renal ... salt wasting By ... #low #uricacid
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... , hypoglycemia Testing ... ACTH) stimulation test ... insufficiency • Low
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... Oral sodium loading ... #Hypertension #Differential ... Causes #Screening #Workup
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... & desmopressin test ... #Sodium #nephrology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Algorithm INDICATIONS ... Cortisol, Saliva • Low ... dexamethasone suppression test ... Hormone • MRI of adrenal ... endocrinology #Adrenal
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... Algorithm Instead ... low, uric acid ... and uric acid low ... #Algorithm #Diagnosis
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
- Differential ... Diagnosis Workup ... Algorithm Primary ... #Diagnosis #Workup ... #Algorithm #endocrinology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
between 8 and 9 AM - Low ... aldosterone - Low ... Plasma ACTH - Low ... laboratory #diagnosis #testing ... endocrinology #workup
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... specificity for AI (but low ... require Cosyntropin testing ... Step 3) Differentiate ... - Low ACTH is