1385 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Skin loss • Euvolemic ... ) diuresis • Euvolemic ... Workup #Algorithm #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
uric acid low in euvolemic ... Algorithm #Diagnosis #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Euvolemic ... Algorithm #causes #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting Euvolemic ... #sodium #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Inappropriate ADH - Euvolemic ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Inappropriate ADH - Euvolemic ... #Hyponatremia #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
nephrotic syndrome) Euvolemic ... Algorithm #diagnosis #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
- diuretics EUVOLEMIC ... Workup #Algorithm #Nephrology
Continuous Renal Replacement Therapies (CRRT) - Comparison
 - Continuous Veno-venous Hemofiltration (CVVH) utilizes convection. Replacement fluid
administered to maintain euvolemia ... used to maintain euvolemia ... CRRT #Comparison #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Pancreatitis, Trauma Euvolemia ... Algorithm #Causes #nephrology