How is atrial flutter measured?

The degree of blocking in the atrioventricular node is specified by counting the number of flutter waves preceding each QRS complex . If 3 flutter waves occur before each QRS complex then it is 3:1 block. If there are 2 flutter waves before each QRS complex then it is 2:1 block.

Read more

What is the pattern of atrial flutter?

Atrial flutter causes the heart to beat in a fast but regular pattern — unlike afib, which causes a fast and irregular pattern. Atrial flutter produces a distinctive “sawtooth” pattern on an electrocardiogram (EKG or ECG), a test used to monitor the heart and diagnose heart rhythm disorders.

Read more