25 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Step 2. ... mmol/L - true hyponatremia ... EUVOLEMIC • SIADH ... renal failure #Hypernatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Low Uric Acid → SIADH ... Rachel Stern MD #Hyponatremia
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... OFF (UNa > 30): SIADH ... , Medications (diuretics ... #Algorithm #diagnosis
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) ... from tubules 3) ... Pathophysiology #diagnosis ... #nephrology #hyponatremia
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... elevated Step 2: ... Gravity Step 3: ... tests Step 5: If SIADH ... DrEricStrong #Hyponatremia
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... history Step #2 ... Uglucose Step #3 ... DrEricStrong #Hypernatremia
Hyponatremia Correction
1. Indications for Hypertonic Saline: seizure, coma, focal findings
   - typically occurs with
Hyponatremia Correction ... increasing Na ~5mEq 2. ... 10-12 mEq/day 3. ... Overcorrection of Hyponatremia ... MetroHealth_EM #Hyponatremia
The Urine / Plasma Electrolyte Ratio - Guide to Fluid Restriction in Hyponatremia
 • U/P Ratio
Restriction in Hyponatremia ... FR < 1000 mL + Medication ... #Restriction #Hyponatremia ... #diagnosis #management ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... and Treatment Hyponatremia ... 2) Is ADH elevated ... Treatment of hyponatremia ... #Treatment #management
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Post-operative phenomenon, Medications ... Basically anything 2. ... hospitalization) 3. ... the serum Na+ in 2- ... #Management #hyponatremia