Intracardiac echocardiography

Intracardiac echocardiography is a new technology that allows high-resolution imaging of intracardiac structures and the electrode-tissue interface. Intracardiac echocardiography has been proved useful in guiding the procedures that require precise anatomical guidance such as ablation of atrial flutter [7], anatomical location of arrhythmogenic foci and ablation of atrial tachycardia [33], sinus node modification

[41], ablation of atrioventricular nodal reentrant tachycardia [20], transseptal punctures [47], creation of linear lesions [14, 51], pulmonary

Fig. 3.8. Magnetic navigation system laboratory

Vein isolation [46] and ventricular tachycardia [30, 40]. Recently the clinical implications of intracardiac echocardiography in interventional and electrophysiological procedures have been reviewed [28]. From all these studies, there is a general consensus that intracardiac echocardiography has advantages over fluoroscopy in terms of precise location of the catheter tip in relation to endocardial structures, evaluation of catheter tip-tissue contact, confirmation of lesion formation and morphological characterization, diagnosis of procedure-related complications, identification of anatomical structures that serve as foci for arrhythmogenesis and potential reduction in fluoroscopy time.

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