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Based on our symptoms there are 3 possible causes.
Firstly Electrolyte- Hypokalemia
( Low pottasium levels in blood) or Low calcium levels in bones.. Both these conditions can cause the symptoms you have mentioned.
Second possible cause is Neurological- Any spinal pathology specially lower cervical and thoracic spin can cause these symptoms.
Third probable cause can be endocrinological- May be due to parathyroid pathology.
Keeping in view all these possibilities you might have to undergo few tests like Serum pottasium, serum calcium and serum Parathormone and X-ray cervical spine
and thoracic spine. Based on the results you can be treated accordingly.
As far as my decision goes the probable causes would be either low calcium in bones or parathyroid gland
pathology. Last but not the least i would like to rule out psychological cause. In some types Psychological conditions like anxiety disorder or depression
please often present with chest pain
Discuss with your doctor about the above mentioned possibilities. Hope you will definitely get to know what is wrong with you.
Wish you a happy & healthy life