When you have AFib, an irregular heartbeat, you need to watch what you eat. Too much salt raises your blood pressure, and high blood pressure may make you more likely to go into AFib. It may also make symptoms harder to manage, so your odds of having a stroke go up. One serving of deli turkey slices could have more than 1,000 milligrams of sodium. That's about half of what's OK for an entire day. Other super-salty foods include pizza, canned soups, breads, and rolls. Check food labels to find lower-sodium options.