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Blood gas analysis is an essential tool in the intensive care unit (ICU) for assessing and managing patients with respiratory and metabolic disorders. It involves measuring the partial pressures of oxygen (PaO₂) and carbon dioxide (PaCO₂), as well as the pH and bicarbonate (HCO₃−) levels in the blood. Accurate interpretation of these values aids in diagnosing acid-base imbalances, monitoring treatment responses, and guiding therapeutic interventions. A comprehensive understanding of the physiological principles, potential pitfalls, and advanced interpretation methods enhances clinical decision-making [1, 2] [Ref: Algorithm 16.1].

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Approach to Blood Gas Interpretation in the ICU

  • 章节

  • 发表日期：

    2025年

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  • Shakti Bedanta Mishra,
  • Samir Samal,
  • Sagarika Panda

摘要

Blood gas analysis is an essential tool in the intensive care unit (ICU) for assessing and managing patients with respiratory and metabolic disorders. It involves measuring the partial pressures of oxygen (PaO₂) and carbon dioxide (PaCO₂), as well as the pH and bicarbonate (HCO₃−) levels in the blood. Accurate interpretation of these values aids in diagnosing acid-base imbalances, monitoring treatment responses, and guiding therapeutic interventions. A comprehensive understanding of the physiological principles, potential pitfalls, and advanced interpretation methods enhances clinical decision-making [1, 2] [Ref: Algorithm 16.1].