A patient with atrial fibrillation suffers from irregular heart beats. These could ultimately lead to heart failure or stroke.
Maintaining low blood pressure is one of the best ways to prevent atrial fibrillation.
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Heart disease can make it more difficult to fight off certain diseases, or make it more likely to have serious complications. Some vaccine-preventable diseases (like the flu) can increase the risk of further heart disease.
Influenza (yearly) and pneumococcal