Welcome to healthcare magic fourum
The condition you have is known as palpatation, its is usualy a result of a cardiac disorder, hyperthyroid ,Anemia
sometimes, or due to fear/anxiety
. To identify the cause, you will have to undergo test and investigations- firstly Thyroid Function Tests
, a cardiac evaluation is needed, blood tests for anemia.
Try relaxing and reduing your stress
levels, it may only worsen whatever condition you may have.