Hi, I feel u have anxiety
disorder in which the individual has sensation of heart beating fast (palpitation
) which is actually not because of problem in heart but chemical imbalance in mind. Because of this chemical imbalance, the individual starts perceiving mild palpitaion (or other associated symptoms : sweating, tremor, choking sensation etc.) as life threatening and rushes to emergency. This is called panic attack
and usually last at peak for few minutes. After subsidence of this attack, even if no palpitation is there, still the individual anticipates that tha panic attack might come again and this keep him always anxious, nervous and fearfull. When this happens repeatedly, it is called panic disorder. Consulting psychiatrist
will help. Medications needed if severe and if causes decreased potential. or else, cognitive therapy
will be helpfull. U can contact me at firstname.lastname@example.org, if u wish to.