39 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
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 ... differential #diagnosis #table ... #sodium #nephrology
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
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Inappropriate ADH ... Cerebral salt wasting ... insufficiency ADH ... Differential #Diagnosis #Table ... #Causes #Sodium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... • UOsm > 300 - ADH ... , CNS Disease, Meds ... Differential #Diagnosis #Algorithm ... diagnosis #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
PEMSource: Algorithm for fever WITHOUT source by Age
#Diagnosis #Management #Peds #Fever #Without #Source #Table #Algorithm #PEMSource
PEMSource: Algorithm ... Diagnosis #Management #Peds ... Without #Source #Table ... #Algorithm #PEMSource
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Insensible losses Sodium ... Insipidus (Decr ADH ... Insipidus (Incr ADH ... Differential #Diagnosis #Table
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Metabolism A table ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... #Neonatology #Peds ... #Pediatrics #Table
Pediatric SVT - Management Algorithm
Identify SVT:
 • HR not variable
 • Abrupt rate changes
 • Infants:
SVT - Management Algorithm ... ECG, Monitors, Pads ... AP Stable? ... tachycardia #Management #Algorithm ... #peds #Pediatric