Don’t worry. Pain type looks like non-cardiac. If it is non-exertional, and not associated with sweating , you just need some rest.
If you have any associated risk factors like-
DIABETES, HYPERTENSION, FAMILY HISTORY OF CARDIAC DISEASE, then you should get detail examination done once.
Next Steps
ECG, 2D ECHO, TMT
Health Tips
Local analgesics, hot water fomenting can be used till then.