What is this?

OSSSC Nursing Officer-2021

Medical & Surgical Nursing

Easy

Appeared in: OSSSC Nursing Officer-2021

Explanation

The image displays a catheter inserted into the radial artery at the wrist, which is a standard placement for an arterial line.
Arterial lines are used for continuous, real-time blood pressure monitoring and for obtaining arterial blood gas (ABG) samples, which are critical in managing unstable patients.
The red blood visible in the tubing is characteristic of an arterial line, as it directly accesses arterial circulation.
The setup is connected to a transducer system (partially visible) to convert the pressure from the artery into an electrical signal displayed on a monitor.

Option A: An intravenous (IV) fluid infusion set is used to administer fluids into a vein, not an artery. The tubing would typically contain clear IV fluid, not blood, and often has a drip chamber.
Option B: A blood set is used for transfusing blood products into a vein. While it involves blood, its purpose is administration, not monitoring, and it has a specific filter not seen here.
Option D: A CVP (Central Venous Pressure) line is a central catheter placed in a large vein like the jugular or subclavian, not a peripheral artery in the wrist. It measures venous pressure, not arterial pressure.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification and purpose of vascular access devices as background academic context rather than a clinical decision trigger.
Nurses are responsible for the insertion (if certified), maintenance, and monitoring of arterial lines. This includes assessing the site, ensuring the system is functioning correctly, and interpreting the data.
A critical nursing responsibility is to monitor for complications such as hemorrhage (if the line becomes disconnected), infection, thrombosis, and neurovascular compromise of the limb.
Patient safety is paramount. All connections must be Luer-locked and secured. Alarms on the monitor must be set appropriately to alert for changes in blood pressure.

How to Approach the Question

First, carefully observe the image provided. Note the location of the device (wrist), the type of tubing, and what is inside the tubing (red fluid, i.e., blood).
Analyze the key features. The device is a catheter in a peripheral location (wrist). The presence of blood indicates it's in a blood vessel. The overall setup suggests monitoring rather than simple infusion.
Evaluate the given options based on your observations. An 'Intravenous' line is for veins. A 'Blood set' is for infusion. A 'CVP line' is central, not peripheral.
Consider the term 'Arterial line'. Arteries are high-pressure vessels, and a line placed in one is ideal for continuous pressure monitoring. The radial artery in the wrist is the most common site.
Synthesize the information: A catheter in the radial artery filled with blood, used for monitoring, is the definition of an arterial line.
Therefore, select 'Arterial line' as the most fitting description for the device shown.

Concept Tested & Keywords

Concept Tested: Identification and purpose of vascular access devices.
Stem keywords: catheter, wrist, tubing, blood
Lead-in keywords: What is this?
Clinical cues: The presence of red blood in the tubing indicates arterial or venous access, but the context of monitoring points towards arterial.
Clinical cues: The location on the wrist is a common site for a radial arterial line.

QdJ-c5CTq3Az5X26fZ7s-p

E6 Nursing Fundamentals Potter Perry 12e Part 5 pp. 69-71, 68-70

E6 Nursing Fundamentals Taylor p. 795-797