Medical Question, What does this sound like?

I've been having constant headaches for the past 4 years, and it's getting worse. There's good days and bad days, now a days I just kind of blow it off as if it's nothing but some days I just can't. I have my good days and my bad, I have huge lightheaded/cold water pains in my head after getting up from laying down, sitting down, or crouching down or any quick movement. I do not get up quickly I've tried going slower to see if it would change and it didn't. I had an eye appointment, and that was all good, wasn't the cause of my headaches. Normally during these episodes the backsides of my eyes hurt, like a lot of pressure on them. As well as having these headaches I've been shaking really bad randomly especially after I do things. My blood pressure is fine, and all that. I'm going to be seeing a cardiologist Wednesday about this and if nothing then a neurologist. Some days I feel like crap, I don't know how to explain it, I just feel crappy and this slight light feeling in my head? and I find it hard to do things which can last for a week or more... I've found that the lightheadedness and headaches tend to increase with moods, but then other times completely randomly. I used to be on anti-depressants in 2007, but I stopped, and I don't feel depressed and even then I didn't find that they worked at all. I tend to have a lot of pains on my sides, and I have about one anxiety attack every so months, when I'm really stressed out my stomach gets all tight, I don't know if any of this is related, but do any of you have a clue on what's going on? So far everything has came back clear...