Thanks for your question on Healthcare Magic.
I can understand your concern.
By your history and description, possibility of
musculoskeletal pain is more likely.
No need to worry for heart diseases as your ekg is normal.
So follow these steps for better symptomatic relief in musculoskeletal pain.
1. Avoid heavyweight lifting and strenuous exercise.
2. Avoid movements causing pain.
3. Avoid sudden jerky movements of chest.
4. Take simple painkiller like
paracetamol or
ibuprofen.
5. Apply warm water pad on affected areas of chest.
Don't worry, you will be alright with all these.
Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.