Studying and Syncope

Hi all, Vasovagal syncope is usually associated to sight of blood, but I was wondering whether anyone experience this while studying? I noticed that when I would begin studying, after say 15 to 20 minutes, I would lose the ability to concentrate. I would be able to read but not process anything. I would literally have trouble keeping my head up. I needed to just stop and put my head down or lie down to get my blood flowing back to my brain. I know its not sleepiness because A), I've... Studying and Syncope
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums