So sorry to hear you're going through this. Pain in the left arm and the back is always concerning, in terms of whether it could be heart related...
Some L-foods are: Ladyfingers Lager Laffy Taffy Lard lasagne Lake trout lamb lamb chops lamb's lettuce lamingtons Lamprey Lancashire cheese Lancashire hotpot Langostine (aka scampi or Norway lobster)langousten lardy cakes Latke (potato pancake) lattice-topped pie Lay's potato chips lean ground beef lean meat leche flan (milky custard dessert) Lechee ...
The letter K indicates that the food is Kosher-that is, it also complies with Jewish dietary laws and has been processed under the direction of a rabbi. The Hebrew word Kosher means permitted according to Torah Law. When you see these letters, they mean that the product does not contain anything from an animal or pork origin. But it still may contain alcohol. So please check labels. It is recommended, however, to read labels before buying food products. Read the ingredients on the food labels and understand the meaning of every ingredient.