Purpose of Examination

• To monitor the content of oxygen and carbon dioxide in arterial blood to evaluate the gas exchange in the lungs.
• To evaluate the acid-base balance in vivo.
• To monitor the severity of disease progression as a reference for treatment.
• To help medical staff evaluate the effectiveness of respiratory therapy for patients.

Indications

Respiratory disorders, dysfunction of cardiovascular system, renal dysfunction, shock, etc.

Comorbidity

• Causes of comorbidity: frequent extraction, improper puncture, or misoperation.
• Common comorbidities: hematoma, tissue damage, thrombosis, poor peripheral blood circulation, numbness, infection, etc.
• After a puncture, the patient should be assisted or his family members asked to apply pressure to the puncture site for at least 5 minutes to stop the bleeding and check for any comorbidity.