Arterial Blood Gas Analysis Procedure

Arterial blood gas analysis procedure. Results show blood oxygen and carbon dioxide levels ph levels and lung function. But at this point the oxygen content in the blood is used up by the tissues. At this point the blood hasn t reached the. Arterial blood samples should be obtained in strict anaerobic conditions and should be placed on ice and held at 0 c until analysis.

Any air bubbles introduced during the sampling procedure will lead to overestimation of arterial oxygen tension pao 2 and underestimation of arterial carbon dioxide tension paco 2. Arterial blood for blood gas analysis is usually drawn by a respiratory therapist and sometimes a phlebotomist a nurse a paramedic or a doctor. Doctors often use the test in. Arterial blood gas analysis is widely available in hospitals.

The procedure called the modified allen test checks that blood flow to your hand is. Blood is most commonly drawn from the radial artery because it is easily accessible can be compressed to control bleeding and has less risk for vascular occlusion the selection of which radial artery to draw from is based on the outcome of an allen. A blood gas test is also called an arterial blood gas test or a blood gas analysis. Your red blood cells transport oxygen and carbon dioxide throughout your body.

Therefore in an arterial blood gas test the blood sample is drawn from an artery.