A client has an arteriovenous (AV) fistula in place in the right upper extremity for hemodialysis treatments. When planning care for this client, which measure should the nurse implement to promote client safety?

Appeared in: PGIMER Sangrur NO - 2023

Explanation

Assessing for a bruit and thrill is the standard, non-invasive method to confirm the patency (openness and proper blood flow) of an AV fistula.
A bruit is the 'whooshing' sound of turbulent blood flow heard with a stethoscope, which is a normal finding for a fistula.
A thrill is the palpable vibration or 'buzzing' sensation felt over the fistula, also indicating normal, high-volume blood flow.
Regular assessment (e.g., every 4 hours) ensures early detection of complications like thrombosis or stenosis, allowing for timely intervention to save the access.

Option A: Taking a blood pressure reading on the arm with an AV fistula is contraindicated. The pressure from the inflated cuff can compress the vessels, impede blood flow, and lead to thrombosis (clotting) of the fistula.
Option B: Clamps should be kept available at the bedside for emergencies, such as hemorrhage from a dislodged needle, but should never be routinely attached to the dressing. This could cause pressure and restrict blood flow.
Option C: An AV fistula is a patient's 'lifeline' and must be preserved exclusively for hemodialysis. Using it for routine venipunctures or IV infusions increases the risk of infection, scarring, and thrombosis, which can lead to the loss of the access site.

Clinical Relevance

Nursing practice connection: Use the key finding related to Nursing care and safety protocols for a client with an Arteriovenous (AV) Fistula for hemodialysis to guide bedside assessment, documentation, and the next nursing action.
The AV fistula is the preferred long-term vascular access for hemodialysis due to lower rates of infection and thrombosis compared to grafts or catheters. A nurse's primary role is its preservation.
Patient education is a critical nursing intervention. The nurse must teach the patient to avoid wearing tight clothing or jewelry, carrying heavy objects, or sleeping on the fistula arm.
What if? If the nurse assesses the fistula and the bruit and thrill are absent or significantly diminished, this is a medical emergency. The nurse must immediately notify the nephrologist or vascular surgeon, as this indicates a potential thrombosis that requires urgent intervention to salvage the fistula.

How to Approach the Question

First, identify the central topic of the question, which is ensuring safety for a client with an AV fistula.
Recall the fundamental principles of AV fistula care. The primary goal is to protect the access site from any harm.
Think of fistula care in terms of 'Do's' and 'Don'ts'. The main 'Do' is regular assessment for patency. The main 'Don'ts' are any activities that apply pressure or introduce needles for non-dialysis purposes.
Evaluate each option against these principles. Options involving blood pressure, routine clamping, or venipuncture are 'Don'ts' because they risk damaging the fistula.
The option involving assessment (checking for bruit and thrill) is a 'Do' because it monitors the fistula's function and promotes safety through early detection of problems.
Select the option that aligns with the principles of assessment and protection.

Concept Tested & Keywords

Concept Tested: Nursing care and safety protocols for a client with an Arteriovenous (AV) Fistula for hemodialysis.
Stem keywords: arteriovenous (AV) fistula, hemodialysis, right upper extremity, planning care, client safety
Lead-in keywords: which measure, implement
Clinical cues: The presence of an AV fistula is a critical clinical detail that dictates specific limb precautions.

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E6 Medicine Harrison 22e Part 2 pp. 308-310, 307-309

E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 86-88

Practise the full PGIMER Sangrur NO - 2023

Attempt every question from this paper in a timed mock, then review the full solution for each one.