Arterial blood gas analysis

Description gas analysis, contained in the arterial blood

Analysis is done to determine the amount of certain gases in the blood.

Reasons for gas analysis, contained in the arterial blood

This test determines the amount of oxygen and carbon dioxide, dissolved in blood, and acid-alkaline balance. The levels of oxygen and carbon dioxide – lung function. Acid-alkaline balance sheet provides information on the functioning of the lungs and kidneys. It can also give information on, whether there is an infection in the body, which lowers acid-alkaline balance.

When oxygen therapy, this test can evaluate its effectiveness.

Complications in the analysis of gases, contained in the arterial blood

Complications are rare, but no procedure does not guarantee the absence of risk. Before, how to analyze, you need to know about possible complications, which may include:

• Bleeding;
• Bruising;
• Damage to the artery.

How is the procedure?

Preparation for Analysis

If you plan to take blood from an artery in the arm, Allen test will be done. This test is used to evaluate blood flow. During the Allen test laboratory presses ray and ulnar arteries in the wrist. This will make the palm pale. When the arteries are released, the skin will turn red or pink. If the skin turns red for five seconds, This indicates a decrease in blood flow to the hands and choose a different puncture site.

Description of the procedure

The puncture site is wiped and disinfected. The needle is inserted into the selected artery, and blood sampling performed. After the procedure, the needle is removed.

After the procedure

Lab technician will put pressure on the puncture site for about five minutes. If the patient is taking blood-thinning medicines stop the bleeding may take longer. After stopping the bleeding of blood on the seat selection 30-60 minutes bandage. After removing the bandage the injection site must be kept clean.

How long does the selection procedure of blood?

Treatment time – A couple of minutes.

Will it hurt?

The pain may be felt during the insertion of the needle.

Interpretation of results

Based on the results of the analysis of blood gas content in the physician can assess lung and kidney function.

It is necessary to go to the hospital in the following cases

• There are signs of infection, including fever and chills;
• There was severe bleeding or bruising;
• Weakness, tingling or numbness in the extremities.