73 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... UOsmPOsm - ... Primary polydipsia, Low ... #differential #algorithm ... #causes #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... 135 meq/L, serum Osm ... < 275 mosm/kg) ... #Hyponatremia #Algorithm ... #Diagnosis #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... <100 mOsm/kg) ... 100-200 mOsm/kg ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Differential Diagnosis Algorithm ... IV fluids, nutrition ... ), Azotemia LOW ... Differential #Diagnosis #Algorithm ... #nephrology
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment Algorithm ... CHF, Cirrhosis - Fluid ... restriction SIADH - Fluid ... reversible - If Uosm ... Hyponatremia #Treatment #Algorithm
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Hyponatremia: • ADH ON (UOsm ... wasting • ADH OFF (UOsm ... Primary polydipsia, Low ... diagnosis #sodium #nephrology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Hyponatremia - Diagnostic Algorithm ... #Hyponatremia #Algorithm ... #Differential #Nephrology ... #UOsm #Osmolality
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... • ADH Present (Uosm ... can be high or low ... Primary polydipsia), Low ... table #sodium #nephrology
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
nephrogenic) UOsm ... diuresis (intravenous fluids ... × (Na + K) << UOsm ... differential #diagnosis #nephrology ... #Uosm
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Beer Potomania - Low ... briskly to IV fluids ... Differential #Diagnosis #Algorithm ... #causes #nephrology