46 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... <100 mOsm/kg) ... solute load #Polyuria ... #Differential # ... Algorithm #causes #nephrology
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
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm ... nutrition), Azotemia LOW ... #Differential # ... Diagnosis #Algorithm #nephrology
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
a patient with polyuria ... UOsm <100 mOsm ... - Mannitol #polyuria ... #differential # ... diagnosis #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
+K / serum Na >1 ... : SIADH, Renal Sodium ... can be high or low ... #Hyponatremia #differential ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Loss - DDAVP -> Uosm ... Insipidus - DDAVP -> Uosm ... #Nephrology #Differential
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Workup Step #1 ... #2 - Assess the Uosm ... Management #Algorithm #Sodium ... #nephrology #insipidus
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Table • Step 1: ... #Hyponatremia #Differential ... Diagnosis #Table #nephrology ... #sodium
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 ... Algorithm #diagnosis #sodium ... #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... water retention 1) ... Uric Acid - Low ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid