Dear sir, I M 31 years old , I feel pain in my left arm n.shoulder off n on Like I have no power in my arm I. Visit doctor cardiologist after some medical test like ECG ... ETT.... LFT....lapid profile e.tc All tests are ok Doctor Said Alhumdulillah you don t have any heart issue don t worry n change your life style by wAlk or exercise But sir 3 months ago my friend brother who was 34 has passed away , he complaints for pain in his right arm his doctors advise its muscular after one week he got pain in his cheats n he passed away , he was also smoker Since then I am very worried I didn t smoking , my test are ok But I am very worried Please advice why I feels pain n pressure in my arms n off n on I also feel stress in my cheats Please advise