5839 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Skin loss • Euvolemic ... ) diuresis • Euvolemic ... #Differential #Diagnosis
Decompensated Heart Failure Classification
Wet (volume overloaded) vs Dry (euvolemic) and Cold (low cardiac output) vs Warm
overloaded) vs Dry (euvolemic ... Classification #CHF #diagnosis
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
uric acid low in euvolemic ... Differential #Algorithm #Diagnosis
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... drug history #Diagnosis ... #Hypovolemic #Euvolemic
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... • Euvolemic ... #Differential #Diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Inappropriate ADH - Euvolemic ... #Differential #Diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Inappropriate ADH - Euvolemic ... #Differential #Diagnosis
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
- Differential Diagnosis ... nephrotic syndrome) Euvolemic ... #Differential #Diagnosis ... #Algorithm #diagnosis
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... - diuretics EUVOLEMIC ... Hypernatremia #Diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting Euvolemic ... Hyponatremia #algorithm #diagnosis