13 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... • Nephrogenic Diabetes ... Relief of prolonged urinary ... #causes #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Diagnosis Algorithm ... nutrition), Azotemia LOW ... 100 mosm/kg • Diabetes ... Insipidus • Primary ... 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 ... Deprivation Test • Primary ... Differential #Diagnosis #Algorithm ... #Causes
Increased Urinary Frequency - Differential Diagnosis Algorithm
Non-increased urine volume (<2mL/min), Rule out polyuria
Extrinsic to Urinary Tract:
Differential Diagnosis Algorithm ... min), Rule out polyuria ... Overactive Bladder • Diabetes ... Differential #Diagnosis #Algorithm ... #Causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... Amphotericin B - Polyuria ... Differential #Diagnosis #Low ... Potassium #Table #Classification ... #Causes
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... of Water: • Primary ... Poorly controlled diabetes ... Diabetes Insipidus ... • Central Dl (Low
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Tubulointerstitial diseases - Urinary ... High Renin - Primary ... Ketoconazole Low ... Renin - Diabetes ... #Hyperkalemia #Algorithm
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 ... 300 mmol/kg • Diabetes ... Differential #Diagnosis #Algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... - Uncontrolled diabetes ... Differential #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Urinary Chloride ... - Normal/low ... metabolic acidosis: Diabetic ... #causes #urinary