Q. I found a lump on my left arm. I work in a nursing home and one of the nurses informed me that it was a broken blood vessel. What is the self help for this? Should I see my doctor?

A. If the lump appeared rather suddenly, it could well be a broken blood vessel. A growth on or under the skin would likely be slow to develop. A broken blood vessel can occur with minor trauma and should go away without treatment in a week or two. If you are having pain or other symptoms, a visit to your doctor would clarify the issue.

http://familydoctor.org/flowcharts/545.html

http://www.medem.com/MedLB/article_detaillb.cfm?
article_ID=ZZZ2GKARJAC&sub_cat=145

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