What is a dangerous heart rate with afib

Overview

Over the course of a normal lifespan, the heart will beat 2 to 3 billion times, rhythmically contracting nonstop to pump blood throughout your body.

When it’s working well, you might not give the heart much thought. But when something’s amiss, it can have serious implications for your health.

Heart problems often trigger a common set of symptoms: shortness of breath, feeling tired, difficulty performing everyday activities, and palpitations—which feel as if the heart is pounding in the chest.

These symptoms can be caused by a number of cardiac conditions, one of which is called atrial fibrillation, or AFib.

AFib is the most common type of irregular heart rhythm (also called arrhythmia). It affects an estimated 2.7 to 6.1 million people in the U.S., and causes about 450,000 hospitalizations each year.

AFib can affect people of any age, though it mostly occurs in people over 60.

As the population grows older, the number of cases is expected to rise; experts estimate there will be 12.1 million cases in the U.S. by 2030.

While AFib is a ser

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