Arrhythmia in FA

Enlargement of the heart also can lead to arrhythmia — a heartbeat that’s too fast or slow and doesn’t adjust efficiently to the body’s demands. Arrhythmias can be life-threatening. Extreme fatigue, chest pain, shortness of breath, lightheadedness, palpitations, or pooling of blood in the ankles could be symptoms of declining cardiac function. It’s a good idea for people with FA to have regular checkups with a cardiologist.