41 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... Diabetes Insipidus Workup ... & desmopressin test ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... Repeat the sodium ... hypothyroidism • adrenal ... Hypernatremia #Diagnosis #Workup ... #Algorithm #Nephrology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Adrenal Insufficiency ... Differential Diagnosis Workup ... Algorithm Primary ... Differential #Diagnosis #Workup ... #Algorithm #endocrinology
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 ... BCM_InternalMed #Adrenal ... #Stimulation #endocrinology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Syndrome Testing Algorithm ... dexamethasone suppression test ... Hormone • MRI of adrenal ... #endocrinology ... #Adrenal #Hyperfunction
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
PRA • ↓ Serum sodium ... ACTH • ↓ Serum sodium ... clue • Blood tests ... : - Check sodium ... addisons #disease #endocrinology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Differential #Diagnosis #Workup ... #Algorithm #nephrology ... #sodium
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Oral sodium loading ... h of infusion Adrenal ... CT scan, adrenal ... • Congenital adrenal ... Causes #Screening #Workup
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... findings (see algorithm ... cosyntropin stimulation test ... interact with stim test ... Stimulation #StimTest #Endocrinology
Adrenal Insufficiency Diagnosis Algorithm
Test 1: Baseline AM Cortisol 
 - Beware of major normal value
 -
Adrenal Insufficiency ... Diagnosis Algorithm ... Test 1: Baseline ... OCPs, pregnancy) Test ... #endocrinology