The nursing is caring for a patient who has had a left radial arterial line inserted 10 minutes ago. To reduce the risk of complications, what is the priority nursing intervention?

Ensure all tubing connections are tightened

Apply a pressure dressing to the insertion site

Perform an Allen's test

Obtain a portable x-ray to confirm placement

Answer and Explanation

The Correct Answer is A

A. Ensure all tubing connections are tightened: Tight tubing connections are critical in preventing accidental disconnection, which can result in rapid blood loss and air embolism. Arterial lines are under high pressure, so securing all connections is a top priority to ensure patient safety and maintain line integrity.

B. Apply a pressure dressing to the insertion site: A transparent occlusive dressing not a pressure dressing is used for arterial lines to allow for site visualization and reduce the risk of infection. A pressure dressing could obscure signs of bleeding or compromise the catheter’s position.

C. Perform an Allen's test: Allen’s test is performed prior to radial arterial line insertion to assess collateral circulation via the ulnar artery for preventing ischemic complications if the radial artery is compromised. Performing the test afterward does not prevent complications and is no longer relevant once the catheter is placed.

D. Obtain a portable x-ray to confirm placement: X-rays are used to confirm the placement of central lines, not peripheral arterial lines like the radial line. Arterial line placement is confirmed by waveform analysis and blood return, not imaging.

Nursing Test Bank

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Correct Answer is B

Explanation

A. Prepare the client for electrical cardioversion: Electrical cardioversion is reserved for unstable patients (e.g., hypotension, altered mental status, chest pain, or signs of shock). This client, while tachycardic, has a blood pressure of 106/60, which indicates relative stability. Cardioversion is not the first-line intervention in stable supraventricular tachycardia (SVT).

B. Perform a carotid massage on the client: Carotid sinus massage is a vagal maneuver used to slow conduction through the AV node and can terminate paroxysmal supraventricular tachycardia (PSVT). It is a non-invasive, first-line intervention for a stable patient with narrow-complex tachycardia, as shown on the ECG strip.

C. Administer lidocaine 1 mg/hour: Lidocaine is an antiarrhythmic used primarily to treat ventricular arrhythmias, such as ventricular tachycardia or fibrillation. It is not indicated for atrial or supraventricular tachycardias and would not address the underlying rhythm.

D. Ask the client if they drank a caffeinated beverage: While excessive caffeine intake can contribute to tachycardia, asking about caffeine use does not address the acute arrhythmia or guide immediate treatment. It may be part of history-taking but is not a priority intervention in this situation.

A. Review daily the necessity of the central venous catheter. B. Maintain a pressure of 300 mm Hg on the flush bag. C. Cleanse the insertion site daily with isopropyl alcohol. D. Change the pressurized tubing system and flush bag daily.

Correct Answer is A

Explanation

A. Review daily the necessity of the central venous catheter: One of the most effective strategies to reduce the risk of catheter-related bloodstream infections is to remove the central line as soon as it is no longer needed. Daily evaluation of necessity prevents prolonged catheter use, which significantly increases infection risk. Removing the source of potential infection is the ultimate preventative action.

B. Maintain a pressure of 300 mm Hg on the flush bag: While maintaining appropriate flush pressure is important for catheter patency and preventing blood clots, it does not play a direct role in preventing bloodstream infections. This action is more related to ensuring adequate line function rather than infection control.

C. Cleanse the insertion site daily with isopropyl alcohol: Current guidelines recommend using chlorhexidine-based solutions rather than isopropyl alcohol for skin antisepsis due to better antimicrobial efficacy. Daily site care is important, but the choice of antiseptic is critical in reducing infection risk.

D. Change the pressurized tubing system and flush bag daily: Tubing and flush systems should be changed typically every 72–96 hours unless contamination is suspected. Changing them daily is not recommended and does not provide added protection against infection it may even increase risk with unnecessary manipulation.

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WBC	8.5
Hemoglobin	17g/dL
Hematocrit	54%
BUN	28mg/dL
Creatinine	1.1 mg/dL
Potassium	4.9 mEq/L

The nursing is caring for a patient who has had a left radial arterial line inserted 10 minutes ago. To reduce the risk of complications, what is the priority nursing intervention?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Explanation

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