Have a fluttering heartbeat like movement below my right rib cage. when i push it i can feel it. it stops and then will start again later on.

Fluttering heart: F of unknown age or prior medical history notes/asks Have a fluttering heartbeat like movement below my right rib cage. When I push it I can feel it. It stops and then will start again later on. ANS Is it the muscles in your chest wall that are fluttering or is your heart beat fluttering? Check heart beat by feeling pulse at base of thumb at wrist. if it is fluttering call your Dr.