A healthy diet for people with third degree heart block should include:

• Limit total fat intake to no more than 20 to 25% of your total calories:
• Less than 7% of the day's total calories from saturated fat.
• Up to 10% of the day's total calories from polyunsaturated fat.
• Up to 20% of the day's total calories from monounsaturated fat
• Less than 200 milligrams of dietary cholesterol a day.
• Just enough calories to achieve and maintain a healthy weight. (You may want to ask your doctor or registered dietitian what is a reasonable calorie level for you.)
• Reduced salt to 2 grams per day.
• Plenty of fresh fruit and vegetables
• Limiting iron intake: too much iron can increase atherosclerosis
• More soy
• More complex carbohydrates, such as starch and fiber. Whole grains and brown rice are good fiber sources. Other sources include:
• Fruits
• Vegetables
• Bran
• Barley
• Oats
• Legumes

Check with your doctor about supplementing your diet with B vitamins. Some people may benefit from these supplements.