Feeling feared and low. 0calcium score!

Hii dr. My self adarsh i am 32 year old when I am in the office feeling too much unwanted overthinking like boss called me and shouting me so i am very sacred once phone is ringing all the time in mind this situation happened I am feeling very low and anxious due to this I feel like I will die or heart attack is coming I am very worried about my health if I South or panic litlle bit I feel like I am dying as unwanted semation feel in the heart below test are normal but still I feel very low with fear phobia and anxiety please suggest BP-110/70 Pulse rate-80 to 100 Sugar-negative Kft-normal Lft-normal Pft-normal Ecg-thrice-normal Echo-normal Ct angio-normal with 0calcium Thyroid-negative Lft-normal Kft-normal Urine-normal Ecg thrice-normal Echo-normal Ct angio-normal with 0calcium score