The nurse is caring for a patient following insertion of a left subclavian central venous catheter (CVC). Which action by the nurse best reduces the risk of catheter-related bloodstream infection (CRBSI)?
Review daily the necessity of the central venous catheter.
Maintain a pressure of 300 mm Hg on the flush bag.
Cleanse the insertion site daily with isopropyl alcohol.
Change the pressurized tubing system and flush bag daily.
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is B
Explanation
A. Edema of ankles: While peripheral edema may be associated with worsening cardiac function or side effects from other medications, it is not a hallmark adverse effect of amiodarone. It warrants evaluation but is not the most urgent symptom related to this drug.
B. Shortness of breath: Amiodarone is a potent antiarrhythmic medication with several potential serious side effects, including pulmonary toxicity. This can manifest as interstitial pneumonitis or pulmonary fibrosis, which may present as new or worsening shortness of breath cough, and chest pain. This is a potentially life-threatening complication and requires immediate medical attention.
C. Fatigue after exercise: Exercise-induced fatigue can result from many conditions, including heart disease or deconditioning, but it is a nonspecific symptom. It does not point directly to a serious adverse reaction from amiodarone.
D. Abdominal fullness: Abdominal fullness is not typically associated with amiodarone. It may relate to gastrointestinal or hepatic issues, but it is not as immediately concerning as respiratory symptoms suggestive of pulmonary toxicity.
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