Atrial flutter occurs when a “reentrant” circuit is present, causing a repeated loop of electrical activity to depolarize the atrium at a rate of about 250 to 350 beats per minute ; the atrial rate in atrial fibrillation is 400 to 600 bpm.
Read moreAre P waves present in atrial flutter?
This is because the P waves (flutter waves ) in atrial flutter occur at about 250-350 per minute (usually around 300). At this rate, it can appear that there is a P wave in front of each QRS and a T wave after each QRS.15 Kas 2016
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