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.Atrial flutter with 2:1 atrioventricular conductionAn 57 year old lady with palpitations.Atrial flutter with 2:1 AV conductionlThe sawtooth waveform of atrial flutter can usually be seen in the inferior leads II, III and aVF if one looks closely.Sometimes the rapid atrial rate can be seen in V1.lSuspect atrial flutter with 2:1 block when you see a rate of about 150 bpm.The atrial rate is shown to be twice the ventricular rate in the figure below.lSee also
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