APOLO-VT aims to evaluate the feasibility, safety, and clinical impact of an integrated multimodal mapping workflow combining non-invasive structural and functional substrate characterization using Volumetric Electrocardiographic Imaging (ECGi) with invasive Electroanatomical Mapping (EAM) to support Ventricular tachycardia (VT) ablation targeting and verification.
Age ≥18 years.
Diagnosis of structural heart disease (ischemic or non-ischemic cardiomyopathy).
Documented sustained monomorphic VT (clinical or inducible), or recurrent ICD therapies for VT.
Scheduled for catheter ablation of VT according to current international guidelines.
Age <18 years.
Pregnant or breastfeeding women.
Inability to provide informed consent due to physical or mental condition.
Contraindication to computed tomography or cardiac magnetic resonance (magnetic resonance imaging-incompatible devices, claustrophobia).