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Precision & Safety: The Importance of Laser QA

In the realm of radiation therapy, where precision is paramount and safety is non-negotiable, Laser QA (Quality Assurance) is an important aspect. Therefore, routine checks of lasers of linear accelerators (linacs) and CT simulators is crucial.

Understanding Laser QA

Laser QA is performed daily by the radiation therapists that ensures the lasers used in radiation therapy intersect within a specific tolerance at the isocenter. The isocenter is the focal point where the radiation beams converge and the gantry, collimator and couch all rotate around. We also use these lasers to triangulate and align patients for treatment setup. This precision is vital to the success of the therapy, as any deviation could lead to unintended consequences, compromising both the efficacy of treatment and patient safety.

The Laser QA Guide

Performing Laser QA involves a step-by-step process that radiation therapists follow diligently as part of their daily quality checks. Each department may have their own...

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Contrast Media in Radiation Therapy

Contrast media is a pivotal part of the imaging process, including barium sulfate, iodine-based, and gadolinium. They are used in more areas than radiation therapy, however. Contrast media is also used in diagnostic radiologic exams. 

Barium Sulfate Contrast Media: Unveiling the Digestive System

Barium Sulfate contrast stands out for visualizing the gastrointestinal tract. Administered orally or rectally, it coats the esophagus, stomach, and intestines, highlighting abnormalities on X-rays and CT scans. Its versatility across liquid, paste, and powder forms enables clear images of the pharynx to rectum. This comprehensive view is invaluable for diagnosis and treatment planning for cancers of the digestive system.

Iodine-based Contrast Media: Precision in CT Simulation

In the realm of CT simulation, iodine-based contrast media emerges as a powerhouse. Its primary role is to enhance the visibility of blood vessels and organs, contributing significantly to the accuracy of...

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ARRT Radiation Therapy Registry - The 3 Essential Categories

Are you aspiring to become a certified Radiation Therapist? To achieve this, you'll need to pass the ARRT Radiation Therapy Registry, a pivotal step in your journey. Here’s everything you need to know about this exam.

Understanding the ARRT Radiation Therapy Registry

The American Registry of Radiologic Technologists (ARRT) administers the Radiation Therapy Registry. This certification is a vital step for those who wish to work in the field of Radiation Therapy in the United States. This crucial exam is divided into three major sections: Patient Care, Safety, and Procedures. Here, I'll break down these categories and provide you with some essential information to help you prepare effectively.

Section 1: Patient Care

The Patient Care section contains a total of 46 questions and is further divided into two subsections: Patient Interactions & Management and Patient & Medical Record Management.

  • Patient Interactions & Management (29 questions)

This subsection will test...

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