14 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Diagnosis Algorithm ... water retention 1) ... Urine Osmolarity 3) ... Low Uric Acid → SIADH ... #nephrology #sodium
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 ... Diagnosis #Workup #Algorithm
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 Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... Workup Step #1 ... Uglucose Step #3 ... #Management #Algorithm ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... insipidus (central or nephrogenic ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
DDAVP Clamp Protocol in Hyponatremia
 • Stop any maintenance fluids.
 • Start DDAVP 2 mcg IV
in Hyponatremia ... IV q8h • Start 3% ... NaCl (1-1.5 ml/ ... #Protocol #Hyponatremia ... #management #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
post-obstructive 3) ... Diabetes Insipidus: neurogenic ... ([Na] / 140) - 1) ... Diagnosis #Treatment #management ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... +K / serum Na >1 ... restriction alone in SIADH ... , Renal Sodium loss ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Then, ask 3 questions ... 1) Is it hypotonic ... augmentation with DDAVP ... Diagnosis #Treatment #management ... #nephrology #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