RVT Quality Assurance and Safety 4

Question 1

A vascular lab implements a protocol requiring dual verification of all lower extremity bypass graft surveillance reports. This is an example of which patient safety concept?

Accepted Answer

Redundancy / independent double-check

Answer

Independent double-check (redundancy) adds a second verification step to catch errors before they reach the patient, a core patient safety strategy in high-reliability organizations.

Question 2

When calibrating a segmental pressure cuff system, the technologist should verify that cuffs maintain pressure within what acceptable tolerance?

Accepted Answer

±5 mmHg

Answer

A ±5 mmHg tolerance is the accepted standard for pneumatic cuff calibration in vascular laboratories, ensuring accurate segmental pressure gradients are reported.

Question 3

Under the principle of universal precautions, how should vascular laboratory staff treat ALL patient blood and body fluids?

Accepted Answer

As potentially infectious regardless of the patient's known diagnosis

Answer

Universal precautions mandate treating every patient's blood and body fluids as potentially infectious to protect staff from undiagnosed or unreported bloodborne pathogens.

Question 4

Which document should a vascular laboratory maintain to demonstrate that technologists have reviewed and understood updated scanning protocols?

Accepted Answer

Competency sign-off sheets or training attestation records

Answer

Signed competency attestation records provide documented evidence that staff have been trained on and understand current protocols, a key ICAVL and Joint Commission requirement.

Question 5

A false-negative rate of 12% is found during a QA audit of carotid duplex studies compared to angiography. Which action is MOST appropriate?

Accepted Answer

Conduct a root cause analysis to identify systematic scanning or interpretation errors

Answer

A root cause analysis identifies whether the false negatives stem from protocol deviations, equipment issues, or interpretation criteria, enabling targeted corrective actions.

(RVT) Registered Vascular Technologist Practice Test

(RVT) Registered Vascular Technologist Practice Test

RVT Quality Assurance and Safety 4