Positioning, Planes, and Movement

Rad 130 Module 1

Radiographic Positioning

describes direction and path of central ray

Radiograph

image of patient’s anatomic parts

Radiography

process and procedures of producing a radiograph

digital detector

device that responds to the ionizing radiation to create images

Central Ray

centermost position of the x-ray beam

radiographic examination

position and alignment, radiation protection, exposure selection, patient respiration instructions, process detector

Anatomical Position

pt erect, arms down, palms forward, head and feet straight

sagittal plane

split into right and left sides of body

midsagittal plane

equal left and right sides

coronal plane

split into anterior and posterior

midcoronal plane

split into equal anterior and posterior

Oblique Plane

longitudinal or transverse plane at an angle

anterior

front

posterior

back

dorsum

top of foot

plantar

bottom of foot

dorsal

back of hand

palmer

front of hand

trendelenburg

position where head is lower than the feet

fowler

position where feet are lower than the head

sims’

position lying on side with one leg up, for enemas

lithotomy

position supine with both legs bent and up, OBGYN

recumbent

lying down

decubitus

position where patient is always lying down on right or left side, CR is pointed horizontally