Medically reviewed by Rafle Fernandez, MD Deciding when to go to the hospital for a rapid heart depends on your health history and how you are feeling overall. A heart rate of 100 beats per minute ...

Atrial flutter is similar to atrial fibrillation in that the rhythm originates in the atrium and causes a narrow complex tachycardia, which carries thromboembolic risk. Typical atrial flutter ...

such as seen in atrial fibrillation or atrial flutter, as the atrium are contractile in MAT. If the heart rate is less than 100 beats per minute, then the rhythm is wandering atrial pacemaker ...