Journal of cardiovascular electrophysiology
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J. Cardiovasc. Electrophysiol. · Sep 2009
Selecting the transthoracic defibrillation shock directional vector based on VF amplitude improves shock success.
Termination of ventricular fibrillation (VF) by a defibrillating shock is more likely to occur when the VF amplitude is larger. We hypothesized that a defibrillation shock would achieve higher success if the shock vector was oriented along the largest of the VF amplitudes measured simultaneously in 3 orthogonal ECG leads, and that this axis could be determined near-instantaneously in real time. ⋯ Choosing the defibrillation directional vector based on the largest VF amplitude improved shock success.
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J. Cardiovasc. Electrophysiol. · Sep 2009
Clinical TrialWarfarin is not needed in low-risk patients following atrial fibrillation ablation procedures.
The recently published HRS/EHRA/ECAS AF Ablation Consensus Statement recommended that warfarin should be used for at least 2 months following an AF ablation in all patients regardless of stroke risk factors. The objective of the study was to assess outcomes based upon anticoagulation practice after atrial fibrillation (AF) ablation to determine relative risk of a strategy of aspirin only in low-risk patients. ⋯ Select low-risk patients with a low CHADS2 (0-1) score who undergo left atrial ablation with an aggressive anticoagulation strategy with heparin and use of an open irrigated tip catheter with low CHADS2 scores can safely be discharged following their procedure on aspirin alone.