Dear Doctor: Our mom is 66 years old and has always been healthy. She was diagnosed with atrial fibrillation during her last physical. She says she feels fine, so she hasn’t followed up with her doctor. What can happen if she doesn’t get treatment?
Dear Reader: Atrial fibrillation is a common heart rhythm disorder, or arrhythmia, that affects anywhere from 2.5 million to 6 million people living in …