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 moreWhat is a typical atrial flutter?
Typical atrial flutter is an organised atrial tachycardia . It can also be defined as a macroreentrant tachycardia confined to the right atrium. This arrhythmia has a 200-260 ms cycle length, although it may fluctuate depending on patient’s previous treatment or ablation, congenital heart disease, etc.
Read moreWhat is Type 2 atrial flutter?
Type II atrial flutter (AFII) is an arrhythmia which usually cannot be interrupted by atrial pacing : the underlying mechanism is considered to be a leading circle without an excitable gap.
Read moreWhat are the different types of atrial flutter?
What are the different types of atrial flutter?
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