Venous blood gases and alternatives to arterial carbon dioxide ...
Jan 17, 2025 · In the intensive care unit, emergency department, and respiratory floors, many clinicians use venous blood gases (VBGs) instead of ABGs to estimate indices of ventilation and acid-base disturbance (ie, systemic carbon dioxide [CO 2] and pH).
Venous blood gases and other alternatives to arterial blood gases
Jul 10, 2023 · A venous blood gas (VBG) is an alternative method of estimating systemic carbon dioxide and pH that does not require arterial blood sampling. Performing a VBG rather than an ABG is particularly convenient in the intensive care unit and in the emergency department, either peripherally or from a central venous catheter from which venous blood can ...
Medline ® Abstract for Reference 6 of 'Venous blood gases
Intraclass correlation coefficients for agreement improved after applying the adjustment rule to venous pH (from 0.84 to 0.93, P<.001) and PCO (2) (from 0.66 to 0.84, P<.001). Overall diagnostic accuracy of VBG improved from 45% to 74% after adjustment.
Medline ® Abstract for Reference 9 of 'Simple and mixed
Intraclass correlation coefficients for agreement improved after applying the adjustment rule to venous pH (from 0.84 to 0.93, P<.001) and PCO (2) (from 0.66 to 0.84, P<.001). Overall diagnostic accuracy of VBG improved from 45% to 74% after adjustment.
Serum anion gap in conditions other than metabolic acidosis
Apr 24, 2024 · INTRODUCTION Determination of the serum anion gap (AG) is primarily used in the differential diagnosis of metabolic acidosis [1-4]. (See "Approach to the adult with metabolic acidosis", section on 'Interpretation of the serum anion gap'.) However, the serum AG can also become abnormal in other conditions, a finding that may be of diagnostic importance [1-5]. CALCULATION OF THE ANION GAP AND ...
Arterial blood gases - UpToDate
An arterial blood gas (ABG) is a test that measures the oxygen tension (PaO 2), carbon dioxide tension (PaCO 2), acidity (pH), oxyhemoglobin saturation (SaO 2), and bicarbonate (HCO 3) concentration in arterial blood.
Permissive hypercapnia during mechanical ventilation in adults
Acceptance of the hypercapnia and continuation of the ventilation strategy is called permissive hypercapnia. Permissive hypercapnia does not include patients with chronic hypercapnia whose baseline arterial carbon dioxide tension is targeted during mechanical ventilation to maintain a near-normal pH [1,2].
静脉血气与动脉血气的其他替代方法 - UpToDate
静脉血气 (venous blood gas, VBG)不需要采集动脉血样，是估算体循环二氧化碳和pH值的一种替代方法。 在ICU和急诊科中进行VBG特别方便，可替代ABG，可从外周或通过中心静脉导管便捷地获取静脉血。
Medline ® Abstract for Reference 13 of 'Venous blood gases
This study evaluated whether pH, partial pressure of carbon dioxide (PCO2) and bicarbonate (HCO3-) values of venous blood gas (VBG) could accurately predict their ABG analogs for patients with acute respiratory failure treated by mechanical ventilation …
Carbon monoxide poisoning - UpToDate
Nov 26, 2024 · Severe metabolic acidosis (pH <7.25) Evidence of end-organ ischemia (eg, ECG changes, elevated cardiac biomarkers, respiratory failure, focal neurologic deficit, or altered mental status)