12 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Workup Step ... & desmopressin test ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Algorithm 1) ... Euvolemic: Diabetes insipidus ... #Algorithm #nephrology ... #sodium
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... - Diagnosis Algorithm ... Tests: • Osmolality ... Plasma AND • Sodium ... #nephrology #differential
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Diagnosis Algorithm ... Water Deprivation Test ... #Polyuria #Nephrology ... #Differential #
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... water loss, Serum Sodium ... kg • Diabetes Insipidus ... Hypernatremia #Nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - Differential ... The differential ... , Dehydration: neurologic ... post-obstructive 3) Diabetes Insipidus ... #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Differential Diagnosis ... : Diabetes Insipidus ... intoxication Initial Workup ... Urine Osm, Serum Sodium ... , Urine Sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... approach to the differential ... #Hyponatremia #Differential ... #management #nephrology ... #sodium
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... deficiency Work ... Fecal occult blood test ... • Serology for
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Medium and large ... is a skin prick test ... Behcet disease) Differential ... Arthritis, AS Treatment