- 最後登錄
- 2024-4-20
- 在線時間
- 4698 小時
- 註冊時間
- 2010-3-12
- 閱讀權限
- 50
- 精華
- 0
- UID
- 7757991
- 帖子
- 7528
- 積分
- 4764 點
- 潛水值
- 102460 米
| Red and blue under skin is caused by the blood out of the blood vessel. When the technique of the blood drawer is not that good, poking around with the needle a lot but could not get into the vein, damaged tissue and leaked out blood will show that red and blue a few hours later and will last for a while (about 5 days to a week). Some person taking low dose aspirin (as blood thinner to prevent stroke or blood clot in the brain) could have thin blood leaked out of capillary and caused bleeding in the gum or red and blue under skin. ... |
|