Utility of cardiac imaging in patients with ventricular tachycardia |
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Affiliation: | 1. Department of Cardiology, Royal Melbourne Hospital, Melbourne, Victoria, Australia;2. Faculty of Medicine, Dentistry and Health Science, University of Melbourne, Melbourne, Victoria, Australia;3. Department of Cardiology, Westmead Hospital and Westmead Applied Research Centre, Westmead, New South Wales, Australia;4. Western Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia;5. Department of Cardiology, The Alfred Hospital, Melbourne, Victoria, Australia |
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Abstract: | Ventricular tachycardia (VT) is a life-threatening arrhythmia that may be idiopathic or result from structural heart disease. Cardiac imaging is critical in the diagnostic workup and risk stratification of patients with VT. Data gained from cardiac imaging provides information on likely mechanisms and sites of origin, as well as risk of intervention. Pre-procedural imaging can be used to plan access route(s) and identify patients where post-procedural intensive care may be required. Integration of cardiac imaging into electroanatomical mapping systems during catheter ablation procedures can facilitate the optimal approach, reduce radiation dose, and may improve clinical outcomes. Intraprocedural imaging helps guide catheter position, target substrate, and identify complications early. This review summarises the contemporary imaging modalities used in patients with VT, and their uses both pre-procedurally and intra-procedurally. |
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Keywords: | Ventricular arrhythmias Ventricular tachycardia Cardiac imaging |
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