The ventricular rate is regular at 60 beats per minute (bpm) with narrow QRS complexes. There are typical atrial flutter waves at slightly greater than 300 bpm producing a “sawtooth” baseline pattern ...
At times it is difficult to distinguish atrial fibrillation from atrial flutter on the ECG. This example shows coarse "fibrillatory waves" in the setting of atrial fibrillation. This are of varying ...
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