7 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
symptoms (HA, nausea ... history #Diagnosis #EM ... #Hypervolemic # ... #Differential #Algorithm ... #Ddxof
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Diagnosis Algorithm ... Beer Potomania - Low ... - GI losses, renal ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Diagnosis Workup Algorithm ... (H2O loss): GI ... • Euvolemic (Low ... Diagnosis #Workup #Algorithm
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... to Hyponatremia ... Hypovolemic, Serum ... Hypothyroidism, Low ... #algorithm #diagnosis
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Differential Diagnosis Algorithm ... mannitol, glucosuria Low ... access to water GI ... Differential #Diagnosis #Algorithm
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... polydipsia • Hypervolemia ... MH/CCF/CWRU EM ... #diagnosis #causes ... nephrology #sodium #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Physiologic Approach ... time you have a case ... the physiologic approach ... normal volume-based algorithm ... : Hypovolemia, Hypervolemia