43 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... <100 mOsm/kg) ... solute load #Polyuria ... Differential #Diagnosis #Algorithm
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
a patient with polyuria ... nephrogenic) UOsm ... • 2 × (Na + K) = ... intravenous fluids) • 2 ... - Mannitol #polyuria
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... Polyuria = >3L ... Urine osmolality = 2 ... Differential #Diagnosis #Algorithm
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Diagnostic Evaluation Algorithm ... Step 2: Check Uosm ... using initial Uosm ... Workup #Evaluation #Algorithm ... #Sodium
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Differential Diagnosis Algorithm ... Loss - DDAVP -> Uosm ... Insipidus - DDAVP -> Uosm ... Differential #Diagnosis #Algorithm
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... history Step #2 ... - Assess the Uosm ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... • ADH Present (Uosm ... : SIADH, Renal Sodium ... differential #diagnosis #table ... #sodium #nephrology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Consider whether Posm ... elevated Step 2: ... Check Uosm and ... Workup #Evaluation #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 ... #Hyponatremia #Algorithm ... #diagnosis #sodium
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Differential Diagnosis Table ... BMP • Serum Osm ... • Urine Osm ... Differential #Diagnosis #Table ... #nephrology #sodium