Epilepsy confused for Heart Condition?

Hello. I am new to this site and wondering if anyone has been in a similar situation. I have had migraines for years. I began going to my current neruologist because I thought I had a mini-stroke. I felt numbness and I could hear but not respond. I just stare and cannot move. I have been told that my right hand shakes during these "episodes". These have gradually gotten worse and I now can feel it coming on. Sometimes it is proceeded by a sharp pain in the back of my head. I had one normal and two abnormal EEGs (the sleep deprived was abnormal). The doctor told me that I had "spikes" in all areas of my brain at the same exact time. He told me they were not migraines and it was not a stroke. I then wore an Abulatory EEG for a week. This came back normal. However, he says that during my EEG I my heart beat was irregular (start-stop-start-stop). Now he wants me to go to a Cardiologist. He says that he is not ruling out Epilepsy, but that my symptoms may be caused by a heart condition. Has anyone had this happen to them or someone they know? I am so confused. He says I can't drive and I am not working because I am afraid to have a "spell" in front of my students (I teach third grade). I just want to know what I am dealing with. I appreciate any advice.