93 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Diagnosis Algorithm UOsm ... Cortisol deficiency UOsm ... Primary polydipsia, Low ... hyponatremia #diagnosis #differential ... algorithm #causes #nephrology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia #Algorithm #Pathophysiology ... #Diagnosis #Differential ... #Nephrology #UOsm
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... <100 mOsm/kg) ... 100-200 mOsm/kg ... #Polyuria #Differential ... Algorithm #causes #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
135 meq/L, serum Osm ... < 275 mosm/kg) ... Urine Na, Urine Osm ... Algorithm #Diagnosis #Nephrology ... #Differential #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
• ADH Present (Uosm ... can be high or low ... Primary polydipsia), Low ... #Hyponatremia #differential ... table #sodium #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Hyponatremia: • ADH ON (UOsm ... wasting • ADH OFF (UOsm ... Primary polydipsia, Low ... diagnosis #sodium #nephrology
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
with polyuria UOsm ... nephrogenic) UOsm ... #polyuria #differential ... #diagnosis #nephrology ... #Uosm
A schema of the pathophysiology of the inborn errors of metabolism, excluding complex storage diseases. Helps
schema of the pathophysiology ... connections and pathophysiology ... acute metabolic emergencies ... MetabolicEmergency #Genetics #Pathophysiology ... Diagnosis #Algorithm #Differential
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm ... nutrition), Azotemia LOW ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
acute metabolic emergencies ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis