Each of us at least once donated blood from a finger or vein. This is the most demanded analysis, appoint it very often. This is due to the fact that with a relatively simple method of analysis, you can get, in a short time, an informative answer.
To get the right result, it is necessary to prepare psychologically, to the pain that accompanies each passing of the analysis.
How much does it hurt when the blood is taken from the finger?
The process of donating blood from the finger is transferred by each person in different ways. And how painful it will be during the analysis, depends on many factors:
How does the analysis pass?
The analysis procedure is very simple and does not require any special preparation. But on the recommendation of doctors - blood is given on an empty stomach, in the morning, before taking medication or undergoing other procedures in which any active substance can get into the blood and make the result of the analysis invalid or affect any parameters.
If the analysis from a finger is taken for sugar, it is not recommended to even brush your teeth in the morning and take some kind of liquid. On the eve of the analysis, you can not drink alcohol, and a few hours before the change - smoke.
The analysis is taken from the finger on the left hand. Before piercing a finger with a disposable needle - a scarifier, rub the finger pad with alcohol and make a puncture, approximately 2 mm deep. Blood from the finger will tell you about the number of its various components: leukocytes, erythrocytes, hemoglobin and others.
How much does it hurt when they take blood from a vein?
A lot of people are absolutely calm about giving blood from the vein. But there are also those who are afraid of waiting for the beginning of the procedure.
Usually the alarm is caused by the following:
And yet most people agree that taking blood from a vein does not hurt, it's much more painful from a finger.
How is the procedure performed?
The reliability of the results and further treatment depend on how well the procedure was performed. Errors in taking a biomaterial can lead to the development of complications:
The procedure for performing the analysis is not difficult, if the analysis is taken by an experienced nurse. For blood sampling take a disposable syringe or special vacuum tubes, which exclude contact of the blood taken with clothing or hands of a nurse. For the correct analysis, you need:
Sometimes, due to the fact that the patient often donates blood from a vein or anatomical features, one can not immediately get into a vein. Then the collection of biological material will be carried out on another part of the body, where the veins are better seen.
VIDEO Technique of taking venous blood
What should I do after I have taken blood from the vein so that there is no bruise?
After taking blood from the vein, some people have only a small wound in the puncture site, while others have a huge bruise. This is due to the ingress of venous blood under the skin. It may happen because of a vein puncture or when the patient quickly released his hand after the end of blood donation.
In order to avoid the appearance of bruising, do not allow blood to enter the skin. When the nurse finished taking the blood and put a cotton swab at the puncture site, you must hold your arm in a bent state until the blood has completely stopped and the wound will not last. Hematoma, also, can appear due to too thin skin or deep veins. In the event of a bruise, it is better not to use your hand to lift gravity or other actions that require a strong voltage or load.
On what analyzes take blood from a finger, and on what of a vein?
The analysis of blood from the finger is prescribed in the following cases:
The analysis of a blood from a vein take if it is necessary:
The danger of infection is
With the negligence of medical personnel in their duties and the use of non-sterile instruments, there is a risk of contracting various diseases that are transmitted through the blood:
At present, most laboratories use only sterile instruments: disposable needles and vacuum tubes, the design features do not allow them to be used several times, which leaves a purely theoretical possibility of infection.
How to make sure everything is sterile?
Before you take a blood test from your finger or vein, you should make sure that your nurse is wearing sterile gloves and uses disposable scarifiers or syringes.
Many clinics use disposable lancets instead of metal strips with a pointed end. The needle is hidden in a special capsule and automatically returned back after use. This excludes contact of blood with the external environment, therefore, infection is impossible.