Blood Gas Analysis Normal Ranges

Blood gas analysis normal ranges. This will determine if the changes in the blood gas are due to the respiratory system or metabolically driven. An alternative to arterial blood gas analysis for ph pco2 bicarbonate sodium potassium and chloride in the intensive care unit patients. 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. So the body is trying to fix the problem.

Partial pressure of oxygen pao2. It s 47 which is high. Arterial blood for blood gas analysis is usually drawn by a respiratory therapist and sometimes a phlebotomist a nurse a paramedic or a doctor. A normal paco 2 in a hypoxic asthmatic patient.

The co 2 is outside its normal ranges. Central venous blood gas analysis. Deorari aiims 2008 2 contents 1. Arterial blood gas analysis is used to measure the ph and the partial pressures of oxygen and carbon dioxide in arterial blood.

Understanding the print outs 4. Introduction indications and sources of errors 2. A normal pao 2 in a patient on high flow oxygen. Bijapur mb kudligi na asma s.

The following are normal ranges for results of a blood gas test. This is abnormal as you would expect the patient to have a pao 2 well above the normal range with this level of oxygen therapy. And even with a normal ph level acidosis or alkalosis may still be present as the body can compensate to balance the ph next examine the paco2. Note that these may vary slightly between analysers.

Normal values for arterial blood gas abg normal values are given below. A sign they are tiring and need itu intervention. This abg is an example of a partially compensated metabolic alkalosis. Castro d keenaghan m.

80 100 millimeters of mercury mmhg partial pressure of carbon dioxide. Indian j crit care med. However the ph is not yet back within normal ranges so a partial compensation exists. Terminology and normal arterial blood gases 3.

This is particularly important if your patient is known to have chronic respiratory disease with existing chronic abg changes. Be sure to know the normal ranges and units for the analyser you will be using. The investigation is relatively easy to perform and yields information that can guide the management of acute and chronic illnesses this information indicates a patient s acid base balance the effectiveness of their gas exchange and the state of their ventilatory.