1856 results
Hypernatremia - Differential Diagnosis Workup Algorithm

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

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

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
- diuretics EUVOLEMIC ... Diagnosis #Workup #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Pancreatitis, Trauma Euvolemia ... Differential #Diagnosis #Algorithm