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Rad 100 Week 1-4

flashcards

TermDefinition
Explain the concept of Central Ray Angulation (e.g., “What does angling the CR 25 degrees cephalic mean?”). Means to adjust the tube to the correct angulation of the needed procedure. If it was 25 degrees cephalic, you would adjust the CR towards the head 25 degree
Define Anatomical Terms like caudal, proximal, distal, and their applications in radiographic positioning. caudal= towards the feet, Proximal=closer from the point of attachment, distal=farther from the point of attachment. These help guide technologist to get the proper visuals frrom the patient and to describe to radiologist how we were positioning
List and describe the Two Classifications of the Human Skeleton. Axial= skull, vertebral column, and rib cage. appendendicular= comprises the limbs and girdles
Recognize and explain Body Positions such as Trendelenburg, supine, and recumbent. recumbent is a position in which the patien is lying down. to get more specific: trendelenburg is when the patient is lying down with their feet above their head and supine is when the patient is lying down but facing up.
Identify the Planes of the Body and their importance in radiography. Sagittal plane divides the left and right portions of the body, mid-sagital equally divides them. Coronal divides the anterior and posterior of the body, mid-coronal equally divides them,. transverse divides the superior and inferior portions of the body.
Explain the use of Positioning Landmarks for proper alignment during imaging. landmarks are used to help guide and find proper allignment when scanning a patient
Describe Routine Positions for Upper Extremities and their importance in diagnostic imaging. knowing the proper positioning for anterior and posterior projections and lateral and oblique techinques help properly and correctly diagnose the patient and examine what is going on
Discuss how kVp Adjustments are made for different imaging needs (e.g., fiberglass cast). kVp controls the energy used to create an image. Alterations are made due to changes in dentisty, thickness, and/or contrast.
Explain the purpose of Automatic Exposure Control (AEC) and its role in patient safety stops/terminates exposure when sufficient radiation reaches the receptor. This helps us with ALARA, the principle to helping the patient!
Discuss when and why Grids are used in radiography. The goal is to stop scatter radiation. Grids are used when the image thickness is above 10cm and the kVp is above 60-70
Identify the Components of the X-ray System (e.g., X-ray tube, generator, image receptor). 6 main components: X-ray tube, Generator, Control/operating console, image receptor/detector, tub support system, and collimation system
Differentiate between types of X-ray Tables and Support Systems fixed table: stationary, elevating table: adjust height, floating table: goes every direction, trauma table: injured patients, ceiling mounted tube: moves from ceiling, floor mounted tub: moves from floor, u arm:move all together, c-arm: surgery or fluro
Explain how to properly center the CR for Hand and Wrist Imaging. the proper Central ray for hand is going to be the third metecarpal joint and for wrist is the midcarpals
Define terms for Body Movements, such as supination and pronation. flexion: decrease angle of joint, extension:increase angle of joint, abduction:away from midline, adduction:towards midline, rotation: turning around axis, pronation: palm down, supination: palm up, dorisflexion: toes upward, plantar flexion: toes down
Describe the Importance of Image Orientation (e.g., long axis of the part aligned with the image receptor). without proper image orientation the diagnostic yeild could be effectied as the imafe could be missing parts needed or too much of the image could be shown effecting ALARA
Created by: user-2046451
 

 



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