Intracardiac Echocardiography (ICE) image capturing the moment of transseptal puncture (a – tenting of the fossa ovalis upon contact with the needle; b – injection of saline bubbles confirming needle placement in the left atrium; c,d – transseptal sheath insertion). Red asterisk (*) showing the sheath through the interatrial septum.
Figure 4
Intraprocedural fluoroscopy image showing contrast medium into the lumen at the tip of the balloon (red asterisk) that confirms left inferior pulmonary vein occlusion.
Figure 5
Intraprocedural Electrogram demonstrating exit block (orange arrow showing absence of conduction to the atria after pacing from the left inferior pulmonary vein).
Figure 6
3-month Follow-up Transthoracic Echocardiography – Apical two-chamber view of the left ventricle showing a calculated ejection fraction of 56% and significant reverse remodelling.