Arterial catheter
AKA: a-line, art line
A catheter that goes into an artery, usually in the wrist. It is used to measure the blood pressure and sample the blood. Unlike an intravenous catheter, this catheter is not used to give medications.
Anaesthetic Glossary
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General Anesthesia
Insertion of an arterial catheter. The patient's wrist has been "numbed" by local anesthesia.