Emergency room departments often need to take blood samples from individuals that have serious injuries. Sometimes, it is essential to analyze a person’s blood when no visible symptoms are visible. Doctors may quickly call an onsite phlebotomy technician that can draw several vials of blood samples that could be sent to onsite analysis as soon as possible.

Phlebotomy technicians are primarily given the task of drawing blood from people of all ages. Toddlers and young children need to be tested regularly for various types of possible infections. However, the elderly need to get their blood tested more frequently than any other individuals. First of all, senior citizens are vulnerable to infections and other conditions. A relatively weak immune system creates a high risk of getting sick from some relatively mild viruses, infections and other attacks on the human body. A white blood cell count can reveal the risk levels of contracting diseases for certain people.

Phlebotomy specialists are not always trained to study and analyze blood samples that are taken from patients. There are specialists who train to look at blood samples through microscopic slides and other modern optical equipment. A Phlebotomy certification online is available for phlebotomists who’d like to keep practicing at hospitals, clinics and other doctor’s offices.

Blood transfusions are commonly done by licensed phlebotomy technicians. These procedures involve the transfer of blood from sealed sterile bags into the veins and arteries of a person. Anemic people often need to receive blood transfusions on a regular basis.