I probably have some vertigo going on, because when I tilt my
head back to look up, I get dizzy
and the fullness/buzzy/shaky feeling intensifies but these sensations occur with my head in a straight position. It does not interfere with my daily work, I just have to focus a little more and steady myself from time to time.
Last Nov I had an MRI of my neck, showing some cervical stenosis, sometimes tingling down the left arm down into my ring finger.