Lu Chen, M.D., is a cardiologist specializing in electrophysiology with MyMichigan Physicians Group.

Depending on the type of irregular heartbeat (arrhythmia), medication can help slow or regulate a person’s heartbeat. Doctors will assess symptoms to decide the best medication. Medications for ...

In patients with COPD and atrial fibrillation or flutter, vitamin K antagonists carry a lower 1‑year risk for hospitalization ...

Q: I’m a 67-year-old man who developed typical atrial flutter two years ago, but I haven’t had any symptoms that I am aware of. I don’t have a history of heart problems. My heart rate was 117 bpm ...

Narrow QRS complexes occur regularly. This tracing suggests either atrial flutter or ventricular tachycardia. It is not atrial flutter, however. If it were, the QRS complexes occurring regularly would ...