ECG features of atrial flutter
Read moreWhat AFib looks like on ECG?
This means an ECG showing atrial fibrillation will have no visible P waves and an irregularly irregular QRS complex . The ventricular rate is frequently fast, unless the patient is on AV nodal blocking drugs such as beta-blockers or non-dihydropyridine calcium channel blockers.
Read moreDoes atrial flutter have QRS?
The ECG shows atrial flutter with narrow QRS complexes signifying recruitment of the ventricles using the His-Purkinje conduction system. The flutter waves are seen as regular continuous undulations in multiple ECG leads at a rate of ≈290 cycles per minute.
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