so been eating a whole lot of pasta for the past few weeks and since yesterday I have been feeling a really tiny pressure on my chest for 2 seconds right in the middle in a small spot and then it goes away. has been coming frequently. everytime or after i eat and ive been eating lots of greasy food. also been doing intense cardio with a lotta upper body movement. it isnt painful at all just a twinge if anything. sounds like a heartburn?