48 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... EUVOLEMIC • SIADH ... renal failure #Hypernatremia ... Workup #Algorithm #Nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... - Pathophysiology ... #Pathophysiology ... #diagnosis #nephrology ... #hyponatremia #
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... Cirrhosis, Nephrotic syndrome ... OFF (UNa > 30): SIADH ... diagnosis #sodium #nephrology
Pathophysiology of hypotonic hyponatremia

by Helbert Rondon, MD @NephroMD

#hypotonic #hyponatremia #nephrology #algorithm #Pathophysiology
Pathophysiology ... of hypotonic hyponatremia ... #hypotonic #hyponatremia ... #nephrology #algorithm ... #Pathophysiology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Based Approach to Hyponatremia ... #Hyponatremia #Algorithm ... #Pathophysiology ... #Differential #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Tea and Toast Syndrome ... insufficiency, SIADH ... thecurbsiders #Hyponatremia ... Algorithm #causes #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Inappropriate - Consider: SIADH ... @NephroMD #hyponatremia ... algorithm #causes #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Low Uric Acid → SIADH ... Rachel Stern MD #Hyponatremia ... Diagnosis #Algorithm #nephrology
Hypernatremia Management Algorithm
Acute vs Chronic
Calculate Losses
 • Current water Deficit
 • Ongoing Free water Losses
 •
Hypernatremia Management ... Medicine @SCVMCMed #Hypernatremia ... Management #Algorithm #treatment ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... Cirrhosis, Nephrotic syndrome ... SatyaPatelMD #Volume #Hyponatremia ... #sodium #low #nephrology