9 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Urine Osmolarity 3) ... Urine Sodium 4) ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Physiologic Approach ... normal volume-based algorithm ... : SIADH, Renal Sodium ... diagnosis #table #sodium ... #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... administration Step 3. ... #Diagnosis #Workup ... #Algorithm #Nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... from tubules 3) ... Hypovolaemia → ADH ... #hyponatremia # ... comparison
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... Uglucose Step #3 ... #Sodium #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... to work through ... a physiologic approach ... Treatment #management #nephrology ... #sodium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... urine osmolality 3) ... ADH Dependent - ... status, urine sodium ... #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Primary Polydipsia Physiology ... with suppressed ADH ... intoxication Initial Workup ... , Urine Sodium ... diagnosis #management #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Clearance (EFWC) Equation ... hospitalization) 3. ... promoting passive sodium ... vaptans) • Blocks ADH ... #nephrology #treatment