Following the success of Rhythm Interventions Online 2022 (30 November – 2 December 2022), here Course Co-director and operator Dr Roderick Tung reviews his HD Grid Mapping in Complex VT case performed live at the event.

Includes comment and insight from fellow course leaders Prof Richard Schilling (St Bartholomew's Hospital, London, UK), Prof Julian Chun (CCB Markus Krankenhaus, Frankfurt, DE) and Dr Devi Nair (St Bernards Heart & Vascular Center, Arkansas, US).

Operator: Dr Roderick Tung (The University of Arizona College of Medicine-Phoenix, Arizona, US)

Live case: 2 December 2022

Case retrospective: 8 June 2023