11 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 2) Urine ... Sodium 4) Serum ... Low Uric Acid → SIADH
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... OFF (UNa > 30): SIADH ... solute intake, Beer potomania ... #Algorithm #diagnosis ... #sodium #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... → Increased urine ... Pathophysiology #diagnosis ... #nephrology #hyponatremia ... #comparison
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Polydipsia - Beer Potomania ... , SSRIs) - SIADH ... #Algorithm #diagnosis ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... , Renal Sodium loss ... solute intake (Beer potomania ... #differential #diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis ... #sodium #low #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Euvolemia: SIADH ... , Beer Potomania ... #diagnosis #causes ... #nephrology #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... body water in comparison ... Measured urine sodium ... #Hypovolemia #EBV ... #potomania #SIADH
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
serum osmolality, urine ... osmolality and urinary sodium ... the patient has SIADH ... #Diagnosis #Hyponatremia ... #Algorithm #Differential
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Measure urine osmolality ... volume status (EABV ... #Differential #Diagnosis ... #nephrology #sodium