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This chapter delves into the critical role of arterial blood gas (ABG) interpretation during cardiopulmonary bypass (CPB), essential for optimal management of gas exchange, oxygenation, and acid–base equilibrium when the heart and lungs are bypassed. It explores traditional ABG analysis techniques using various electrodes and sensors to measure key blood parameters, including pH, PCO2, PO2, and SaO2. The narrative also spotlights advancements in continuous blood gas monitoring technologies, such as the Terumo CDI® Blood Parameter Monitoring System 550, which provides vital real-time data for effective CPB management. Further, the chapter discusses strategies for managing acid–base disturbances, with a focus on diagnosing and addressing metabolic and respiratory acidosis and alkalosis, crucial for maintaining patient stability. The comprehensive coverage integrates physiological, buffer system, and physicochemical approaches to acid–base analysis, offering an invaluable resource for clinicians involved in CPB.

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Arterial Blood Gas Interpretation During Cardiopulmonary Bypass

  • 章节

  • 发表日期：

    2025年

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  • William Marion,
  • Dejan Vuckovic

摘要

This chapter delves into the critical role of arterial blood gas (ABG) interpretation during cardiopulmonary bypass (CPB), essential for optimal management of gas exchange, oxygenation, and acid–base equilibrium when the heart and lungs are bypassed. It explores traditional ABG analysis techniques using various electrodes and sensors to measure key blood parameters, including pH, PCO2, PO2, and SaO2. The narrative also spotlights advancements in continuous blood gas monitoring technologies, such as the Terumo CDI® Blood Parameter Monitoring System 550, which provides vital real-time data for effective CPB management. Further, the chapter discusses strategies for managing acid–base disturbances, with a focus on diagnosing and addressing metabolic and respiratory acidosis and alkalosis, crucial for maintaining patient stability. The comprehensive coverage integrates physiological, buffer system, and physicochemical approaches to acid–base analysis, offering an invaluable resource for clinicians involved in CPB.