Welcome to HCM
We understand your concerns
I presume that you already did a lot of research on your condition. The chest spasms and using finger tips might never be related. Don't worry and don't be anxious.
I hope you are already aware that this problem is caused by using your finger tips and that awareness creates apprehension and anxiety
which in turn acts upon on your chest walls. That should be it.
Ignore it. If it is there for a long time, you are already used to it.