What is the role of arterial blood gas (ABG) testing in the workup of non–small cell lung cancer (NSCLC)?

Updated: Jul 15, 2021
  • Author: Winston W Tan, MD, FACP; Chief Editor: Nagla Abdel Karim, MD, PhD  more...
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Arterial blood gas (ABG) levels are useful in the detection of respiratory failure (eg, acidosis, hypercarbia, hypoxia) in sick patients. Obtain ABG levels in patients with active systemic diseases or abnormal labored breathing.

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