41 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Osmolarity 3) Urine Sodium ... Acid → renal salt wasting ... #nephrology #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Cerebral salt wasting ... • ADH OFF (UOsm ... #Hyponatremia #Algorithm ... #diagnosis #sodium
Antenatal Visits - Testing and Schedule
At Every Visit:	
 • Gestational Age	
 • BP
 • Maternal Weight
Antenatal Visits - Testing ... , Parvovirus GDM ... Glucose Tolerance Testing ... Well-being GBS Testing ... Amy Chung, MD, MSc
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... : SIADH, Renal Sodium ... Cerebral Salt Wasting ... • ADH Not Present ... diagnosis #table #sodium
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Cerebral Salt Wasting ... Neurological event 2) Sodium ... Hypovolaemia → ADH
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Inappropriate ADH ... Cerebral salt wasting ... insufficiency ADH ... Table #Causes #Sodium
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cushing Syndrome Testing ... Algorithm INDICATIONS ... FOR TESTING: • ... hypertension) Testing ... Syndrome #diagnosis #algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... • UOsm > 300 - ADH ... - Appropriate ADH ... Differential #Diagnosis #Algorithm ... diagnosis #nephrology #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... #Hyponatremia #algorithm ... #diagnosis #sodium
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
osmolality and urinary sodium ... cerebral salt wasting ... #Hyponatremia #Algorithm