Left atrial longitudinal strain in the contractile phase as a predictor of sinus rhythm maintenance after electrical cardioversion performed due to persistent atrial fibrillation
1 Collegium Medicum, Jan Kochanowski University, Kielce, Poland; 1st Department of Cardiology and Electrotherapy, Voivodship Hospital Kielce, Poland. pawel.walek@o2.pl
2 Medical Laboratory, Voivodship Hospital Kielce, Poland
3 Collegium Medicum, Jan Kochanowski University, Kielce, Poland
4 1st Department of Cardiology and Electrotherapy, Voivodship Hospital Kielce, Poland