This study aims to learn why atrial fibrillation (AF), a type of irregular heartbeat, happens more often and is harder to treat in people with hypertrophic cardiomyopathy (HCM). HCM is an inherited condition where the heart muscle is thicker than usual. Researchers will study electrical signals from the heart and advanced heart imaging. By doing this, they hope to better understand how AF behaves in people with HCM and why treatments may not work as well for them. The information from this study may help improve future treatments for people who have both HCM and AF.
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Changes in bipolar voltage, conduction velocity, refractory periods and conduction divergence of the atria in patients with HCM and AF compared to patients with AF and structurally normal hearts
Timeframe: At the time of the clinical ablation procedure