![]() Learn more about the i-Stat Blood Chemistry Analyzer by Abbott. PO2 is a member of a panel which is known as the blood gas panel. The specimen type is the blood of the human body. Lightweight and handheld weighs only 18 oz. Answer (1 of 1): PO2 is also known as partial pressure, oxygen. Can run 2 CLIA-waived tests and 13 moderately complex tests. Connects with your EMR system to enable seamless integration of results. Specimen requirement is 3 mL of whole blood in a heparinized syringe.If the specimen cannot be immediately sent to the laboratory it should be placed in wet ice. Delivers results in minutes no special sample preparation or user calibration needed. The metabolic decrease in pO 2 and increase in pCO 2 in the presence of an elevated WBC count will be even more pronounced in blood gas specimens transported at room temperature. When the hemoglobin concentration is decreased, the capacity for buffering oxygen may be reduced. Accordingly, blood gas syringes should now be transported to the laboratory at room temperature.ĪBG specimens collected from patients with severe anemia or leukocytosis should be analyzed as quickly as possible. The changes in pO 2 in plastic syringes stored at room temperature are the same order of magnitude as glass syringes stored in ice.īecause of these findings, the Clinical and Laboratory Standards Institute now recommends that arterial specimens be collected in a plastic syringe, left at room temperature and analyzed within 30 minutes. In contrast, pO 2 does not change significantly when whole-blood samples collected in a plastic syringe are stored at ambient temperature for 30 minutes. This increase occurs due to the combination of a decreased metabolic utilization of oxygen and a rise in the rate of diffusive transfer of oxygen into blood secondary to the decreased temperature. The pO 2 of blood collected in glass syringes and stored on ice also increases, but to a much lesser extent. The mean change is 8.4 mmHg at 30 minutes, 9.6 at 60 minutes and 10.3 at 90 minutes when the initial pO 2 is approximately 100 mm Hg. ![]() Specimens collected in plastic syringes and stored on ice actually increase the rate of rise in pO 2 compared to plastic syringes stored at ambient temperature. Therefore, this change in practice necessitated a re-evaluation of the storage time and conditions on oxygen and carbon dioxide results. Plastic syringes are significantly more permeable than glass to both oxygen and carbon dioxide. Storage in an ice slurry decreased the metabolic rate to approximately 10 % of the value at 37 degrees centigrade.ĭuring the past few years, plastic syringes have largely replaced glass syringes because of concerns about safety, waste disposal, and cost. Glass syringes provided an impermeable barrier to atmospheric gas pressures, but there was still a progressive decrease in pO 2 and increase in pCO 2 caused by metabolism of the leukocytes and erythrocytes over time. : The iSTAT-PO2 and -PCO2 were portable device measurements acceptable as surrogates to standard clinical laboratory blood gas measurements in guiding protocol. Traditionally, arterial specimens were collected in glass syringes and placed in an ice slurry for transportation to the laboratory. ![]()
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