6 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... water retention 1) ... Urine Osmolarity 3) ... Urine Sodium 4) ... Low Uric Acid → SIADH
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Workup Step 1 ... Repeat the sodium ... administration Step 3. ... EUVOLEMIC • SIADH ... Workup #Algorithm #Nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Pathophysiology 1) ... Neurological event 2) Sodium ... from tubules 3) ... #hyponatremia #
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
output is a clue). 1) ... , Dehydration: neurologic ... post-obstructive 3) ... ([Na] / 140) - 1) ... #sodium
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Options 1. ... purposes, restrict to 1 ... hospitalization) 3. ... promoting passive sodium ... #Management #hyponatremia
DDAVP Clamp Protocol in Hyponatremia
 • Stop any maintenance fluids.
 • Start DDAVP 2 mcg IV
DDAVP Clamp Protocol ... in Hyponatremia ... NaCl (1-1.5 ml/ ... 125-130 #DDAVP #Clamp ... #management #nephrology