
Arterial lines are frequently placed to carefully monitor blood pressure and obtain arterial blood gases for evaluating for anemia, trending acid-base status, assessing oxygenation and ventilation, and monitoring electrolyte levels. The most common location for placing an arterial line is the radial artery. This chapter reviews indications and contraindications to radial arterial line placement. It also walks through steps to positioning, identifying, and accessing the radial artery.
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