How do you classify atrial flutter?

Similar to atrial fibrillation, atrial flutter can be classified into the following types:

Both heart diseases have the potential of becoming serious. However, many doctors and other health care professionals consider atrial flutter to be less serious than atrial fibrillation because flutter symptoms tend to be less severe and flutter waves have a less risk of embolization (clot formation).

Type I atrial flutter, also known as common atrial flutter or typical atrial flutter, has an atrial rate of 240 to 340 beats/minute . However, this rate may be slowed by antiarrhythmic agents.