I am 64 no medical conditions, I don t drink alcholic or take caffine I am not over weight and not smoked for 14 yrs. I have been having very cold hands for many months, developed heart arrythmias about two months ago intermitently But now having palpations of the heart at all the me.
Sometimes when you have arrhythmia, in some variety there is decrease in effective blood pumped from your heart and decrease perfusion of your hands and feet resulting in cold hands.  It is important to know what type of arrhythmia you have, a simple EKG and sometimes a 24 holder test is required to know the type, after the results you should be put on specific Chat Doctor.