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- Clinical applications of blood gas analysis: a comparative review of arterial and venous blood gas monitoring in critical care
- Gyeo Ra Lee
- Acute Crit Care. 2025;40(2):153-159. Published online May 30, 2025
- DOI: https://doi.org/10.4266/acc.000900
- 27,198 View
- 1,103 Download
- 2 Web of Science
- 4 Crossref
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Abstract
PDF - Blood gas analysis is an essential diagnostic tool used for assessing acid-base balance, ventilation, and oxygenation in critically ill patients. Arterial blood gas analysis (ABGA) remains the gold standard, primarily due to its accuracy in measuring oxygenation. Venous blood gas analysis (VBGA), in contrast, serves as a less invasive alternative and is particularly useful for evaluating acid-base status and metabolic function. Important parameters such as oxygen saturation of central venous blood (ScvO₂) and venous-to-arterial carbon dioxide pressure difference (∆pv-aCO₂) provide critical insights into hemodynamic status, cardiac output, and tissue perfusion. Although VBGA cannot replace ABGA for the precise assessment of oxygenation, it remains a valuable tool in clinical scenarios involving hemodynamic monitoring, shock management, and critical care decision-making.
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Citations
Citations to this article as recorded by
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BMC Emergency Medicine.2026;[Epub] CrossRef - Assessing and Enhancing the Interpretation Quality of Arterial Blood Gas Among Junior Doctors
Abubakr Muhammed, Mohaned Altijani Abdalgadir Hamdnaalla, Fakher Aldeen Raft Fakher Aldeen Noman, Ahmed Altayeb Abbas Fadlallah, Mohammed Ali Mohammed Ali, Hanaa Ahmed Khalifa Elamin, Hala Aamir Abdelraouf Ahmed , Ameer Abdallatif Saeed Elkhazin, Hala Ome
Cureus.2025;[Epub] CrossRef - Using zlog in spider charts for fast diagnosis recognition
Johannes Böhm, Johannes Daubitzer, Thorsten M. Smul, Lisa-Maria Meier, Sven Schneider
Journal of Laboratory Medicine.2025; 49(6): 268. CrossRef - Predictive performance of central venous oxygen saturation, lactate, base excess, and alactic base excess for intradialytic hypotension
Angelica J. Luevanos-Aguilera
BMC Nephrology.2025;[Epub] CrossRef
- Ultrasound guidance versus conventional technique for radial arterial puncture in patients with shock in the emergency department: a randomized controlled trial
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