CARDIOVASCULAR SYSTEM

Common post-op complications of the cardiovascular system are deep vein thrombosis, pulmonary embolism, and shock (for additional information on these disorders see Thrombophlebitis or Shock. 

1. Predisposing factors to deep vein thrombosis (DVT)
    1. Lower abdominal surgery or septic diseases (e.g., peritonitis) 
    2. Injury to vein by tight leg straps during surgery 
    3. Previous history of venous problems 
    4. Increased blood coagulability due to dehydration, fluid loss 
    5. Venous stasis in the extremity due to decreased movement during surgery 
    6. Prolonged post-op immobilization
      2. Predisposing factors to pulmonary embolism: may occur as a complication of DVT.
      3. Most common causes of shock during post-op period 
           1. Hemorrhage 
           2. Sepsis 
           3. Myocardial infarction and cardiac arrest 
           4. Drug reactions 
           5. Transfusion reactions 
           6. Pulmonary embolism 
           7. Adrenal failure

      4. Prevention of DVT, pulmonary embolism, and shock: see Care on Surgical Floor.

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