How does the ALARA principle influence fluoroscopy use in EP labs?

• A. Minimize fluoroscopy to speed up procedures
• B. Always use fluoroscopy and avoid mapping
• C. ALARA emphasizes minimizing fluoroscopy, maximizing nonfluoroscopic mapping, and using shielding and collimation to reduce exposure
• D. ALARA has no effect on procedure planning

Answer: (C)

The main idea being tested is applying ALARA in the EP lab to minimize radiation exposure while still achieving the procedure’s goals. ALARA stands for As Low As Reasonably Achievable, so in practice this means using nonfluoroscopic mapping and navigation as much as possible to visualize and guide catheters, and reserving fluoroscopy for only when it’s truly needed. When fluoroscopy is used, exposure is kept as low as possible through techniques like pulsed fluoroscopy, last-image hold, tight collimation, and effective shielding. Planning to maximize nonfluoroscopic mapping helps achieve accurate mapping and ablation with less radiation, protecting both patient and staff without compromising success. Relying on fluoroscopy by default or avoiding mapping would increase exposure, which goes against ALARA.