The symptoms you describe are non-descript and could be do to many causes. The symptoms in your
handsHand or foot spasms
Hand tremor could be related to carpel tunnel syndrome. Combining the symptoms would suggest possibly a peripheral neuropathy which could be caused by diabetes, vitamin deficiencies (B12 and
folateFolate deficiency), thyroid abnormalities, medications (including
cardiacCardiac catheterization
Cardiac tamponade
Left heart ventricular angiography medications such as amiodarone), and inflammatory disorders. Based on the symptoms you have described I do not think they are related to your cardiac condition. I would recommend a consultation with a neurologist to have this evalauted. Good luck.