76 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... nutrition), Azotemia LOW ... #Differential # ... #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm ... #causes #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Diagnosis Algorithm ... Polyuria - Urine ... #Nephrology #Differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... diuresis (see Polyuria ... mannitol, glucosuria Low ... Hypernatremia #Nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... • Central Dl (Low ... Mimics (↑ urine ... #nephrology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm ... #Causes #neurology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... Algorithm Instead ... sodium low, uric ... and uric acid low ... #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Urine Cl-: Vomiting ... (late) • High Urine ... #Nephrology #Causes
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Uric Acid - Low ... #nephrology #sodium ... #low #uricacid
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Diagnosis Algorithm ... #Sensory #Neurology ... #Differential # ... #Causes