1. Because the blood vessels are too thin and the blood flow is not smooth, the repeated aspiration of the syringe is too long, so that the blood cells are destroyed and hemolyzed;
2. When the bloo...
1. Before sampling, mark the relevant sample information on the label of the sampling tube.
2. Use a sampling swab to sampling at the nasopharynx up to different sampling requirements.
3. Samplin...
Vacuum blood collection a vacuum negative pressure blood collection, the emergence of a large number of automated instruments and modern medical examination of blood preservation requirements, not ...