28 results
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Cerebral Salt Wasting ... vs SIADH - Pathophysiology ... 1) Neurological ... event 2) Sodium ... #hyponatremia #
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Workup Step 1 ... Repeat the sodium ... mmol/L - true hyponatremia ... renal failure #Hypernatremia
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... irrigants Hypotonic Hyponatremia ... OFF (UNa > 30): SIADH ... Reset osmostat, Cerebral
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... water retention 1) ... Low Uric Acid → SIADH ... Rachel Stern MD #Hyponatremia ... Diagnosis #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... insipidus • Nephrogenic ... administration #Hypernatremia ... Differential #Diagnosis #Causes ... #nephrology #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Renal losses, Cerebral ... uric acid <4 • SIADH ... SatyaPatelMD #Volume #Hyponatremia ... algorithm #diagnosis #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... of hypotonic hyponatremia ... +K / serum Na >1 ... Insufficiency, Cerebral ... Physiologic #Hypotonic #Hyponatremia
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - ... and Treatment Hypernatremia ... Treatment of hypernatremia ... @EmmGeezee #Hypernatremia ... #nephrology #sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... ADH secretion (SIADH ... osmostat - Cerebral ... DrEricStrong #Hyponatremia ... #Sodium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... , SSRIs) - SIADH ... UnremarkableLab #Hyponatremia ... #sodium