12 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... #Polyuria #Differential ... Algorithm #causes #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... #2 - Assess the Uosm ... & desmopressin test ... Algorithm #Sodium #nephrology ... #insipidus #DI
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Water Deprivation Test ... - DDAVP -> Uosm ... #Polyuria #Nephrology ... #Differential #
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
Urine chemistry tests ... polydipsia • Diabetes insipidus ... #polyuria #differential ... #diagnosis #nephrology ... #Uosm
Causes of Bradykinetic Movement Disorders - Differential Diagnosis Algorithm
Parkinson's Disease (TRAP):
• Resting Tremor
• Cogwheel Rigidity
• Akinesia/Bradykinesia
•
Movement Disorders - Differential ... Bradykinesia • Postural Instability ... #Bradykinetic #MovementDisorders ... #Neurology #Differential
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm ... kg • Diabetes Insipidus ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
Increased Urination - Differential ... Increased urine osm ... Post-obstructive diuresis • Inability ... resistance (Diabetes insipidus ... Increased #Urination #Differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... mechanism ≤ 600 mOsm ... Euvolemic: Diabetes insipidus ... Hypernatremia #Differential ... Workup #Algorithm #nephrology
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Movement Disorders - Differential ... Tremor - Occurs at Rest ... #Tremors #MovementDisorders ... #Neurology #Differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Diagnosis Algorithm Tests ... Water deprivation test ... Diagnosis #Algorithm #nephrology ... #differential