Thanks for writing your query.
It will be helpful if you mention your age and if there is any history of heart disease
in your family ?
Your symptoms though are indicating towards anxiety
, still needs full medical checkup and investigation including ECG.
and daily mild exercise in fresh air will be helpful in treating anxiety. Avoid stress
and have good sleep in the night. Whenever you feel stressed take 3-4 deep breaths, it will help in decreasing the anxiety. Always think positive as it will help you a lot.
If the problem persists, contact a physician for your full medical checkup.
I hope this is helpful to you.