5 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... mOsm/kg - Implies renal ... Skin loss • Euvolemic ... (Low H2O intake ... , Ingestion Renal
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
cardiac, liver, renal ... Diagnosis #EM #IM #Nephro ... #Hyponatremia #Hypovolemic ... #Euvolemic #Hypervolemic ... #Differential #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Beer Potomania - Low ... • Renal Failure ... - GI losses, renal ... • Euvolemic ... • Hypervolemic
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
to Hyponatremia Hypovolemic ... Cerebral salt wasting Euvolemic ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... diagnosis #sodium #low
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
- Differential Algorithm ... Pancreatitis • Euvolemia ... polydipsia • Hypervolemia ... Syndrome, Chronic Renal ... nephrology #sodium #low