nearly two months ago i had a chest infection. from the very first day i got this i have had weird fluttery feelings in my chest accompanied by popping sensations. im pretty sure its not heart palpitations as i have no heartrate change and its sometimes on my right side too. Ive still got a cough and post nasal drip and when thats worse the sensations are worse. my doctors cant explain so i was wondering if anyone else has experienced the same.