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What causes AFIB?

In most cases, no underlying heart disease is found. In some cases, atrial fibrillation may be related to alcohol or excessive caffeine use, stress, certain drugs, electrolyte or metabolic imbalances, or severe infections. In some cases, no cause can be found.  Some of the more common causes of AFIB include:

  • Hypertension (high blood pressure)
  • Coronary artery disease
  • Heart valve disease
  • After heart surgery
  • Chronic lung disease
  • Heart failure
  • Cardiomyopathy
  • Congenital heart disease
  • Pulmonary embolism

For more information call (813) 877-AFIB (2342).



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