16 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Relief of prolonged urinary ... solute load #Polyuria ... #Differential # ... Diagnosis #Algorithm #causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... 145 mmol/L High Urine ... diuresis (see Polyuria ... glucosuria Low Urine
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Deprivation Test • Primary ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Increased Urinary Frequency - Differential Diagnosis Algorithm
Non-increased urine volume (<2mL/min), Rule out polyuria
Extrinsic to Urinary Tract:
Frequency - Differential ... Non-increased urine ... min), Rule out polyuria ... #Frequency #Differential ... Diagnosis #Algorithm #Causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... clots ➔ Lower Urinary ... microscopic and ... Upper and Lower urinary ... #Hematuria #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... of Water: • Primary ... Mimics (↑ urine ... #Differential #
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
Urinary Tract Tuberculosis ... tomography (CT) of the abdomen ... #Tuberculosis #Pyuria ... AcidFastBacilli #Microscopy ... #NEJM
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
- Differential ... Leukocytes on Dipstick/Microscopy ... • Upper Urinary ... • Lower Urinary ... Leukocytes on Dipstick/Microscopy
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Hypo-osmolar urine ... suppression • Primary ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Hypo-osmolar urine ... suppression • Primary ... #Nephrology #Differential