Edible item and right click procedure on the same item issue.

I'm trying to remake fundy's "Salmuttotabreabbitlecochicarrochopotatie Pie Cake" and so I have the "Player finishes using item" procedure kill you. Then I tried making the "Right Click on entity procedure" which will kill an entity you use it on. My problem is that it's killing both that entity and the player simultaneously. I'm not sure how to specifically make it to where you have to completly eat the item to give yourself the Heart Attack, and right-clicking a different entity gives them and them only a Heart Attack.