18 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... Repeat the sodium ... EUVOLEMIC • SIADH ... Hypernatremia #Diagnosis #Workup ... #Algorithm #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Osmolarity 3) Urine Sodium ... Low Uric Acid → SIADH ... Differential #Diagnosis #Algorithm ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... restriction alone in SIADH ... , Renal Sodium loss ... differential #diagnosis #table ... #sodium #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... Diabetes Insipidus Workup ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... OFF (UNa > 30): SIADH ... #Hyponatremia #Algorithm ... #diagnosis #sodium
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... tests Step 5: If SIADH ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Diagnostic Evaluation Algorithm ... Hypernatremia #Diagnosis #Workup ... #Evaluation #Algorithm ... #Sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
ADH secretion (SIADH ... Differential #Diagnosis #Table ... #Causes #Sodium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... , SSRIs) - SIADH ... Differential #Diagnosis #Algorithm ... diagnosis #nephrology #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... #Hyponatremia #algorithm ... #diagnosis #sodium