IBHRE Patient Safety and Radiation Management

Question 1

What does the radiation safety acronym ALARA stand for?

Accepted Answer

As Low As Reasonably Achievable

Answer

Always Limit All Radiation Activity

Answer

Absolute Limit of Allowable Radiation Amount

Answer

Automated Laser Alignment Radiation Assessment

Question 2

Which strategy is most effective at reducing radiation dose in the EP lab?

Accepted Answer

Minimizing fluoroscopy time and using beam collimation

Answer

Using high frame-rate continuous fluoroscopy

Answer

Restricting to PA projections only

Answer

Increasing tube voltage for all acquisitions

Question 3

Standard 0.5 mm lead equivalent aprons typically attenuate scattered radiation by approximately?

Accepted Answer

90–95%

Answer

10–20%

Answer

50–70%

Answer

99–100%

Question 4

What is the US regulatory annual occupational whole-body radiation dose limit for EP lab staff?

Accepted Answer

50 mSv/year

Answer

1 mSv/year

Answer

5 mSv/year

Answer

100 mSv/year

Question 5

Where should the primary dosimeter badge be worn by EP lab personnel?

Accepted Answer

At collar level outside and above the lead apron

Answer

On the wrist only

Answer

At waist level under the apron

Answer

Dosimetry is not required for EP staff

Question 6

Zero-fluoroscopy catheter ablation relies primarily on which technology to navigate catheters without X-ray?

Accepted Answer

Electroanatomic mapping systems

Answer

Real-time CT imaging

Answer

Intraoperative MRI

Answer

Intracardiac ultrasound alone