Related Experiment Video
Updated: Feb 10, 2026

Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
Published on: August 3, 2018
[RapidArc Delivery Performance Using EDR2 Film and EPID Measurement]
Abstract:
This study describes the development and implementation of EDR2 film and electronic portal imaging device (EPID) during RapidArc QA. The tests were designed to evaluate RapidArc performance using EDR2 film and EPID tools. The accuracy of MLC position during gantry rotation, the ability to vary and control the dose-rate and gantry speed, the synchronization of variable MLC speed and dose-rate were examined. The picket fence test of MLC in stationary gantry and RapidArc modes were implemented. The film and EPID showed a good consistency. During the evaluation of MLC speed, gantry speed and dose-rates, the dose of different parts in a field showed a good agreement, with the mean deviation of 0.24%vs 0.19%. The analysis of dose value was less than 2%. This study demonstrated that EDR2 film and EPID system can be used as reliable and efficient quality assurance tools for RapidArc delivery performance. Of course, the use of VMAT QA with EPID increases the efficiency of routine QA.
More Related Videos
Related Concept Videos
Pathophysiology of Cardiac Performance
Exercise and Muscle Performance
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Sources of Self-Esteem II: Performance Feedback
High-Performance Liquid Chromatography: Introduction
In HPLC, two phases play a critical role in the separation process:
High-Performance Liquid Chromatography: Instrumentation
High-Performance Liquid Chromatography: Elution Process

