SOME TIMES I GET THIS LIGHT HEADED FEELING AND MY SHOULDERS START FEELING LIKE SORE,, BUT THE MAIN THING IS THAT I COULD FEEL SOME TYPE OF GAS IN MY CHEST,, I FEEL IT MOVING AROUND,, WENT TO THE DOCTOR AND HE JUST CHECKED MY BLOOD PRESSURE,, AND SAID IT WAS NOTHING JUST ANXIETY,, SHOULD I ASK FOR AN MRI