COMPLICAtions
   
cuore1 The main risk of complication with atrial fibrillation is stroke.
When the heart is in fibrillation, the atria no longer contract regularly, the blood tends to staunch in the upper cardiac chambers, and thrombi are formed - in other words, clots that can easily come off from from where they are deposited. By travelling through the blood, these clots can reach the brain and obstruct a cerebral vein, causing a stroke.
On average, the risk of stroke is 5 times higher in subjects with atrial fibrillation compared to those who do not suffer from it.
Factors that increase the risk of stroke:
  • Over 65 years of age (and especially over 75)
  • Female subjects
  • Hypertension
  • Diabetes
  • Heart failure
  • Prior strokes
  • Coronary artery disease and vessel disease
Other complications linked to atrial fibrillation are heart failure (3 times higher than those who do not suffer from fibrillation), dementia and higher mortality rate (mortality is twice as high as those who do not suffer).



 
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