14 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 3) Urine ... Sodium 4) Serum ... Uric Acid → SIADH
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... Hypothyroidism, Low ... #algorithm #diagnosis ... #sodium #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... , Renal Sodium loss ... can be high or low
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Evaluation Algorithm ... Check Uosm and/or Urine ... Gravity Step 3: ... tests Step 5: If SIADH ... considered likely, the cause
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... mannitol, glucosuria Low ... Urine Osmolality ... #Causes
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... promoting passive sodium ... Saline: • If Urine ... SatyaPatelMD #SIADH ... #Management #hyponatremia
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
hospitalization) 3. ... administered • This can cause ... promoting passive sodium ... 0.9% NS • If Urine ... #Management #hyponatremia
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... stimulated in states of low ... activated in states of low ... Measured urine sodium ... EBV #potomania #SIADH
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Euvolemia: SIADH ... #diagnosis #causes ... #nephrology #sodium ... #low
Hypertonic Saline for Treatment of Hyponatremic Encephalopathy
1) 100 ml bolus of 3% NaCl over 10 min.
for Treatment of Hyponatremic ... hours. 2) Serum sodium ... Increase in sodium ... L. 5) Monitor urine ... Saline #Treatment #management