Phlebotomy involves placing a catheter in a blood vessel, in order to administer medications to patients with difficult venous access, or monitoring central venous pressure, or even bleeding, which is an ancient medical practice to reduce iron reserves or red blood cell counts, such as in cases of hemochroma or actual polyglobulia.
Currently, the term phlebotomy is most associated with blood draw for laboratory testing and donation.Phlebotomy is a delicate procedure and should be performed by a professional properly trained in this function, such as a nurse, as any errors in collection can alter test results.
- Phlebotomy is most commonly used for diagnostic purposes.
- And collected blood is sent to the lab for testing to assist in the diagnosis and follow-up of the patient.
- Phlebotomy is the first step in diagnosis and should be performed by a nurse or other qualified professional to avoid any changes in results.
In addition to being essential for laboratory tests for the diagnosis and follow-up of the patient, phlebotomy can be performed as a therapeutic option, then called bleeding, which aims to solve problems related to the increase in the number of red blood cells, in the case of true polyglobulia, or a strong accumulation of iron in the blood, which occurs in hemochromatosis.Understand what hemochromatosis is and how to identify symptoms.
Phlebotomy is also a fundamental part of the blood donation process, which aims to collect about 450 ml of blood, which goes through a series of processes until it can be used by a person in need, helping with their treatment. It’s done.
Blood draw for phlebotomy can be done in hospitals and laboratories, and fasting depends on the type of test your doctor has prescribed.See which fast times are most common for blood tests.
The sample can be taken with a syringe, in which a total amount of blood is collected and then distributed in the tubes, or vacuum, which is more common, in which several blood tubes are collected in a pre-set order.
Your health care provider should then follow these steps
Lastly, the needle should be carefully withdrawn and then light pressure should be applied to the sampling site with clean gauze or cotton.
For baby swabs, blood is usually drawn by a sting on the heel or, more rarely, in the eel.