Principle minimising radiation exposure while maintaining diagnostic quality
Expansion
As Low As Reasonably Achievable
Purpose
Guides dose reduction strategies in all ionising radiation procedures
Clinical Context
ALARA is a cornerstone of radiation protection. Techniques include: pulsed fluoroscopy, lead shielding, collimation, filtration, and technique optimisation.
Related Terms
- Radiation protection:
- Dose optimisation:
- LDCT:
- DLP:
Key Points
- ALARA applies to X-rays, CT, fluoroscopy, and nuclear medicine - balance image quality against dose burden