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DD of anuria (Poe) - Coggle Diagram

- - - - Mechanism: Decreased renal perfusion from volume depletion (e.g., dehydration, hemorrhage).
      - Presentation: Low blood pressure, tachycardia, dry mucous membranes.
    - - Mechanism: Reduced cardiac output leading to decreased renal blood flow.
      - Presentation: Edema, dyspnea, jugular venous distension, and hypotension.
  - - - Mechanism: Damage to renal tubules due to ischemia or nephrotoxins (e.g., aminoglycosides, contrast agents).
      - Presentation: Decreased urine output, elevated creatinine, electrolyte imbalances.
    - - Mechanism: Inflammation of renal interstitium, often due to drugs (e.g., NSAIDs, antibiotics).
      - Presentation: Fever, rash, eosinophilia, and renal failure.
    - - Mechanism: Inflammation of the glomeruli leading to decreased filtration capacity.
      - Presentation: Hematuria, proteinuria, edema, and elevated blood pressure.
  - - - Ureteral Obstruction:
        
        Mechanism: Stones, tumors, or strictures causing blockage of urine flow.
        
        Presentation: Flank pain, hematuria, and hydronephrosis on imaging.
      - Bladder Outlet Obstruction:
        
        Mechanism: Prostate enlargement, tumors, or neurogenic bladder leading to urinary retention.
        
        Presentation: Difficulty urinating, bladder distension, and discomfort.
    - - Mechanism: Dysfunction of the nervous system affecting bladder control (e.g., spinal cord injury).
      - Presentation: Loss of bladder sensation, inability to void, and urinary retention.