Review Article

Secondary Stroke Prevention in Nonvalvular Atrial Fibrillation

Approximately 750,000 US adults per year experience a stroke. On average, the annual risk for future ischemic stroke (secondary stroke) after an initial ischemic stroke or transient ischemic attack is approximately 3% to 4%. Cardioembolic strokes account for 20% to 25% of all strokes, with nonvalvular atrial fibrillation (NVAF) considered…