Hi ginajoy,
I too have experienced internal vibrations, although rarely — usually in the lower left abdomen, but have also on two or more occasions felt the vibrations directly over my heart (“cardiac thrill”), actually pulsating through the skin! Like you, this is post-catheter ablation
(for AF/AFl). I have an ILR that has not shown any sustained arrhythmia for 2+ years, so it is likely related to my MR.
I wish I could tell you some way to make them stop, they are anxiety-provoking events….they seem to be related to turbulent blood flow, possibly from a heart valve disorder.
At least we know it’s a real thing, and we’re not imagining it! 😉