33 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
, Differential Diagnosis ... - CHF - Cirrhosis ... - Drugs - SIADH ... #Differential #Diagnosis ... #Table #Causes
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Hypovolemic - Give ... (CHF, cirrhosis ... , SSRIs) - SIADH ... #Algorithm #diagnosis
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... → ADH → water reabsorption ... → Increased urine ... Pathophysiology #diagnosis ... #nephrology #hyponatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Sodium 4) Serum ... Low Uric Acid → SIADH
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... , Renal Sodium loss ... #differential #diagnosis
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... ON (UNa < 30): Hypovolemia ... OFF (UNa > 30): SIADH ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Algorithm #Causes
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... acid high in hypovolemic ... - Urine sodium ... #Differential #Algorithm ... #Diagnosis #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Diagnosis Algorithm ... ADH Independent ... • Hypovolemic - ... insufficiency, SIADH ... #Algorithm #causes