18 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... deficiency, Post-AKI diuresis ... (AKI, Post-AKI diuresis ... #table #sodium ... #nephrology
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Cirrhosis - Nephrotic ... syndrome - Acute ... and chronic kidney ... - Diuretics ... #Table #Causes
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... syndrome - ... , Medications (diuretics ... #Algorithm #diagnosis ... #sodium #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... #Nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... Syndrome, Chronic ... Renal Failure, ... #nephrology #sodium ... #low
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... losses, Diuretic ... Ketonuria, Osmotic diuresis ... , UNa < 20 • Nephrotic ... #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... - Osmotic diuresis ... Post-obstructive diuresis ... #Low #Magnesium ... #Table #Classification
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... syndromeHyponatremia ... • Hypercalcemia ... #Diuresis #Nephrology ... #Medications #Table
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... • Euvolemic (Low ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... volume loss - diuretics ... syndromerenal ... #Algorithm #Nephrology