Hi ,this Is Arun. I Can Feel My Heartbeat Throughout

Hi ,this is Arun. I can feel my heartbeat throughout my body. Like I am just sitting here all quiet and i can feel and hear my heartbeat in my stomach, in my chest and in my throat. Its really unsettling especially when it is going fast . This has happened lots of times - especially after eating and when I am laying in bed at night. I had ECG's and blood tests (all fine) and the blood pressure checked it was a little high at 146/87. I am little panic..please advise me...thank you...