Actually before 7 months.I at once felt pain in my left arm.Then my heart beat started increasing......Till now I m ill...........I did all the heart tests.But there is nothing harmfull in them.....Cardiologist says that I have anxiety n nothign else...Then neurologist also said the same..I feels pain at heart...Then sensations in body and brain.Palpitation...As I can feel the blood running in my veins.........I have severe pain at left side of head and arm...I always think about my parents.Theyr not alive......And I cant forget their death..........Its too hard fro me to forget all this...I m doing software engg....I m 19 yrs older......I m not able to pay concentration towards my studies.................I cant pay attention towards my projects etc etc..I was very intelligent .But for the 7 months I cudnot understand anything....I fell that I m not in my senses