35 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Features of Hyponatremia ... syndrome - Acute ... Glucocorticoid deficit - Hypokalemia ... - Diuretics ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Diagnosis Algorithm ... Renal losses, Diuretic ... Diagnosis #Algorithm ... #Causes #nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... concentrating defect: • Diuretics ... • Osmotic diuresis ... Diagnosis #Causes ... #nephrology #sodium
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Hypomagnesemia, Acute ... or induced) #Hypokalemia ... #Causes #differential ... #diagnosis #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Differential Diagnosis ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #Algorithm #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... of hypotonic hyponatremia ... Renal Sodium loss (diuretics ... (AKI, Post-AKI diuresis ... #sodium #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... >20 mEq/24 h - Diuretics ... Diagnosis #Algorithm ... #nephrology #causes
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... : • Hypovolemia ... : Diuretics/Nephropathies ... Algorithm #diagnosis ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Diagnosis Algorithm ... administration • Osmotic diuresis ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Diagnosis Algorithm ... contracted • Loop diuretics ... #Nephrology #Differential ... #Diagnosis #Algorithm