I am a 44-year-old man not on any medications. I have had 2 spinal surgeries about 10 yrs ago but in otherwise generally good heath. I was working outside a week ago and suddenly passed out and when i woke up I started to throw up black after throwing up twice I passed back out. When i woke up again I realized I had hit my head and had a good size abrasion on my right temple. Ever sense this happened I have total numbness of my right thumb. Numbness to the point of painful. I have never passed out before or had numbness like this. Wondering what could be the cause of passing out the black vomit and now total numbness.