Patient's question:
What methods are there for children to test trace elements? Here, we take blood from the thigh, which is very painful. Are there any simpler methods? Since I am close to Tianjin, I would like to ask if Tianjin has any simpler methods. Thank you!Doctor's answer:
Hello. Generally, blood is taken from the fingertip to test for trace elements. In this case, you don't need to fast. It's okay. Testing for trace elements. Usually, venous blood is taken. Sometimes, fingertip blood is used. Or blood is drawn from the upper arm for testing. Compared to fingertip blood, venous blood is more accurate. The site for blood collection can be the elbow vein. In short, if you want to determine the true and accurate levels of trace elements, blood testing is the best option.