The Johns Hopkins University

Aravindan Kolandaivelu

Henry R Halperin

The present invention is directed to an automatable method for directing electrophysiology catheter movement toward the site of arrhythmia origin using the cardiac activation sequence measured during arrhythmia and during pacing. The purpose of this method is to improve the speed and accuracy of localizing the site of arrhythmia origin for the purpose of targeting therapeutic ablation of the arrhythmia.

Automatable method for directing catheter movement to target arrhythmia ablation using the cardiac activation sequence

The present invention is directed to a system and method for reducing large magnetic artifact susceptibility in magnetic resonance imaging. The present invention is used to maximize cancellation of the magnetic field distortion cremated when objects with high variations in magnetic susceptibility are placed in a uniform magnetic field. Particularly, the present invention reduces the magnetic resonance imaging artifact produced by pacemakers and internal cardiac defibrillators in order to maximize the diagnostic image quality in the region surrounding these devices.

Device for cancellation of large magnetic susceptibility artifacts in magnetic resonance imaging of patients with pacemakers and implantable cardiac defibrillators

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Baltimore, MD, United States of America

Aravindan Kolandaivelu