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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: J Interv Card Electrophysiol. 2011 Mar 22;31(3):197–206. doi: 10.1007/s10840-011-9560-6

Fig. 1.

Fig. 1

Assessment of LA strain by speckle tracking echocardiography. Left atrial wall was tracked in apical four-chamber view using speckle tracking echocardiography. (a, b) Tracking of LA wall and corresponding velocity vectors in a patient without recurrence and with recurrence of AF. (c, d) Corresponding global strains. (e, f) Global SR in the two patients. Note the diminished global strain and SR in the patient who had recurrence of AF. LA left atrial; AF atrial fibrillation; AFR atrial fibrillation recurrence; NR no recurrence group