6 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Sodium loss (diuretics ... failure, Cirrhosis, Nephrotic ... syndrome) • ADH ... #sodium #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... volume loss - diuretics ... liver failure • nephrotic ... syndromerenal ... #Algorithm #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Euvolemic; no physiologic ... GI losses • Renal ... especially thiazide diuretics ... Cirrhosis • Nephrotic ... GFR, AKI/CRF Hormonal
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Euvolemic; no physiologic ... GI losses • Renal ... especially thiazide diuretics ... Cirrhosis • Nephrotic ... GFR, AKI/CRF Hormonal
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... Liver Cirrhosis, Nephrotic ... Syndrome, Chronic ... Renal Failure, ... #sodium #low