I am scared whenever i am having a left arm,shoulder and neck pain, even tough i took all the cardiac test such as"ECG, ECHO 2d, Stress Thread Mill" but still i have the upper body pain and sharp chest pain which long lasts for min 1 Minute,still i have to scare for cardiac issue.i dont have sweating problem,i can walk upto 3KMS without any problem, by thinking about the pain my BP increases,last week also i donated blood while checking my BP it is 120/80, while going to hospital my BP is 160/80