73 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... Step 1 . ... Repeat the sodium ... EUVOLEMIC • SIADH ... #Algorithm #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... water retention 1) ... Osmolarity 3) Urine Sodium ... Low Uric Acid → SIADH ... #nephrology #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... Diabetes Insipidus Workup ... Step #1 - Consider ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Pathophysiology 1) ... Neurological event 2) Sodium ... #SaltWasting #SIADH
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... +K / serum Na >1 ... , Renal Sodium loss ... differential #diagnosis #table ... #sodium #nephrology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Step 1: Consider ... 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 ... Step 1: Consider ... Hypernatremia #Diagnosis #Workup ... #Evaluation #Algorithm ... #Sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Differential #Diagnosis #Workup ... #Algorithm #nephrology ... #sodium
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 Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Differential Diagnosis Table ... • Step 1: Correct ... Differential #Diagnosis #Table ... #nephrology #sodium