77 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
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... UOsmPOsm - ... Cortisol deficiency UOsm ... < POsm - Vasopressin-independent ... #differential #algorithm
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 ... 2 × (Na + K) = UOsm ... × (Na + K) << UOsm ... - Mannitol #polyuria
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... Polyuria = >3L ... osmolality > 300 mosm ... Differential #Diagnosis #Algorithm
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
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) ... Urine Na, Urine Osm ... #Hyponatremia #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Consider whether Posm ... Step 2: Check Uosm ... Workup #Evaluation #Algorithm
Causes of Frequency, Nocturia, Polyuria

#Frequency #Nocturia #Polyuria #Causes #Differential #Urology #Table
Frequency, Nocturia, Polyuria ... Frequency #Nocturia #Polyuria ... Differential #Urology #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... • ADH Present (Uosm ... be high or low Uosm ... • ADH Present (Uosm ... differential #diagnosis #table
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Hyponatremia - Diagnostic Algorithm ... #Hyponatremia #Algorithm ... Differential #Nephrology #UOsm