Greetings to you docotr. I have anxiety and panic attacks... my heart races may a times. I dont know what is happening to my heart :-( i have sinus arrhythmia. how to over come all these doctor. can u suggest me any exercise or else any activity to do..so that i can get rid of them.I am 22 year old and i am having pains near my chest..and sometimes i hear my heart beat in my ear and near shoulder sometimes. Is there any problem doctor. ECG stated sinus arrhythmia. 2D-ECHO is fine and normal TMT is also normal. But doctor why i am getting these pains and pacing heart beats. I am very panicked about my health. :-( please help me out doctor