15 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
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 #comparison
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
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
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Inappropriate ADH ... Cerebral salt wasting ... insufficiency ADH ... Table #Causes #Sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
body water in comparison ... the total body sodium ... osmolality, urine sodium ... there is reduced sodium ... Measured urine sodium
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
CDiff (Clostridium difficile) Testing Compared
Toxin EIA assay, GDH assay, NAAT/PCR 

- Dr. Milana Bogorodskaya https://twitter.com/foamid

#CDifficile #Clostridium
Clostridium difficile) Testing ... Toxin EIA assay, GDH ... Clostridium #CDiff #Testing ... #Comparison #Table ... #PCR #EIA #GDH
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