Gastroparesis is a condition that can go into remission and then flares up. Raven has a gastric pacemaker which saves some people's lives? Others? No change.
Also the diet is basically all the things that you are told to lose weight. Low fiber. I can eat candy but not an apple.
Link to Mayo Clinic with treatments including diet.
http://www.mayoclinic.org/diseases-conditions/gastroparesis/diagnosis-treatment/treatment/txc-20323142
Eat smaller meals more frequently
Chew food thoroughly
Eat well-cooked fruits and vegetables rather than raw fruits and vegetables
Avoid fibrous fruits and vegetables, such as oranges and broccoli, which may cause bezoars
Choose mostly low-fat foods, but if you can tolerate them, add small servings of fatty foods to your diet
Try soups and pureed foods if liquids are easier for you to swallow
Drink about 34 to 51 ounces (1 to 1.5 liters) of water a day
Exercise gently after you eat, such as going for a walk
Avoid carbonated drinks, alcohol and smoking
Try to avoid lying down for 2 hours after a meal
Take a multivitamin daily
Here's a brief list of foods recommended for people with gastroparesis (your dietitian can give you a more comprehensive list):
Starches
White bread and rolls and "light" whole-wheat bread without nuts or seeds
Plain or egg bagels
English muffins
Flour or corn tortillas
Pancakes
Puffed wheat and rice cereals
Cream of wheat or rice
White crackers
Potatoes, white or sweet (no skin)
Baked french fries
Rice
Pasta
Protein
Lean beef, veal and pork (not fried)
Chicken or turkey (no skin and not fried)
Crab, lobster, shrimp, clams, scallops, oysters
Tuna (packed in water)
Cottage cheese
Eggs
Tofu
Strained meat baby food
Fruits and vegetables
Baby food vegetables and fruits
Tomato sauce, paste, puree, juice
Carrots (cooked)
Beets (cooked)
Mushrooms (cooked)
Vegetable juice
Vegetable broth
Fruit juices and drinks
Applesauce
Bananas
Peaches and pears (canned)
Dairy
Milk, if tolerated
Yogurt (without fruit pieces)
Custard and pudding
Frozen yogurt