Atrial flutter: more than just one of a kind.

Link to article at PubMed

Atrial flutter: more than just one of a kind.

Eur Heart J. 2015 Apr 2;

Authors: Bun SS, Latcu DG, Marchlinski F, Saoudi N

Since its first description about one century ago, our understanding of atrial flutter (AFL) circuits has considerably evolved. One AFL circuit can have variable electrocardiographic (ECG) manifestations depending on the presence of pre-existing atrial lesions, or impaired atrial substrate. Conversely, different (right sided or even left sided) atrial circuits including different mechanisms (macroreentrant, microreentrant, or focal) can present with a very similar surface ECG manifestation. The development of efficient high-resolution electroanatomical mapping systems has improved our knowledge about AFL mechanisms, as well as facilitated their curative treatment with radiofrequency catheter ablation. This article will review ECG features for typical and atypical flutters, and emphasize the limitations for circuit location from the surface ECG.

PMID: 25838435 [PubMed - as supplied by publisher]

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