question: hi i have had a tight chest for a week now. i went to the gym today and found my chest very tight on exertion and i felt nausea and lost my sight then hearing for a short time. when i got hame i went straight to bed and fell to sleep straight away i slept for about 30mins. i felt alot better after that but i am now still a little tight in the chest with a headache. i am 29 years of age am fit and eat well.