How do you know if you have a blown blood vein?
in your left arm at the wrist
Symptoms will include inflammation and swelling around the insertion site. http://en.wikipedia.org/wiki/Infiltration_%28medical%29#Signs.2FSymptoms
It will swell and turn purple. That's what happened to my mom.
its also known as a bruise
Well blood passing through will be of slightly purple in colour as its deox.