Full-Avoidance vs. Permissive/Regulated Drinking & Outcomes On Fibrillation

This study investigates whether avoiding alcohol completely versus permitting regulated/moderate alcohol use affects the frequency of atrial fibrillation (AFib) episodes — an irregular heartbeat — in people who have paroxysmal AFib (AFib that comes and goes) and drink alcohol at least once a week. **You may be eligible if...** - You have a diagnosed case of paroxysmal AFib (not permanent) - You drank alcohol at least once a week on average in the past month - You are not planning to change your AFib treatment during the 2-week study period - You have had at least one AFib episode in the past month (or your doctor thinks you may have one soon) - You have a smartphone and can use the Eureka study app **You may NOT be eligible if...** - Your AFib only happened after a surgery - You have a history of alcohol addiction or abuse - You have liver disease or alcohol intolerance - You are pregnant or trying to become pregnant - You are currently incarcerated - More than 40% of your heartbeats come from a pacemaker Talk to your doctor to see if this trial is right for you.