Localization of the site of origin of reentrant arrhythmia from body surface potential maps: A model study

Chenguang Liu, Guanglin Li, Bin He

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We have developed a model-based imaging approach to estimate the site of origin of reentrant arrhythmia from body surface potential maps (BSPMs), with the aid of a cardiac arrhythmia model. The reentry was successfully simulated and maintained in the cardiac model, and the simulated ECG waveforms over the body surface corresponding to a maintained reentry have evident characteristics of ventricular tachycardia. The performance of the inverse imaging approach was evaluated by computer simulations. The present simulation results show that an averaged localization error of about 1.5 mm, when 5% Gaussian white noise was added to the BSPMs, was detected. The effects of the heart-torso geometry uncertainty on the localization were also initially assessed and the simulation results suggest that no significant influence was observed when 10% torso geometry uncertainty or 10 mm heart position shifting was considered. The present simulation study suggests the feasibility of localizing the site of origin of reentrant arrhythmia from non-invasive BSPMs, with the aid of a cardiac arrhythmia model.

Original languageEnglish (US)
Pages (from-to)1421-1432
Number of pages12
JournalPhysics in Medicine and Biology
Volume50
Issue number7
DOIs
StatePublished - Apr 7 2005

Fingerprint Dive into the research topics of 'Localization of the site of origin of reentrant arrhythmia from body surface potential maps: A model study'. Together they form a unique fingerprint.

Cite this