Image Production & Image Evaluation Flashcards
Conventional Radiography
Film Sereen
Cassette Digital Radiography-Captire element
Conventional Radiography
work of early scientists & craftworkers
RADIOLOGY: HISTORICAL PERSPECTIVE
1st scientist that contributed to X-ray proposed matter to marde up of tiny indivisible particle (atoms)
John Dalton
plum pudding model
J.J. Thompson
Identified NUCLEUS and defined minature of SOLAR SYSTEM.
Ernest Rutherford
supported ERs theory but in different
orbits it has different specific energy level.
Neils Bohr
3 specific aspects
Electricity
Vacuums
Image
can be tranferred
Electricity
recording materials, barium platinocyanide
Image
scintillator or phospor
Barium Ptatinocyanide
discovery of xray
Nov. 8, 1895
continuous emitting light when stimulated
Phosphor & Scintilator
capabilly to energy to pass through a material.
penetration
submitted a report emitted.
Dec• 28,1895
First Novel Prize
1901
Roentgen Died
Feb 10, 1923
the use of ionizing radiation to produce a recorded image on photosensitive.
Radiography
image produced using X-ray radiation
Radiograph
represent the Image recorded on photisensitive material, which is usually called x-ray film.
Radiograph
Film
CONVENTIONAL
Capture Element
CR/ OR
difference in radio density present in our rodiograph
Contrast
degree of blackening of our film
Density
3 types of density
Optical Density
Film Density
Photographic Density
radiation that has both electrical & magnetic properties
EMR
act both the waves & life particles
Dual Nature of X-ray Emergy
Inversely related
Wavelenght & Frequency
discreet bundle of energy
PHOTONS
distance between 2 chest
Wavelenght
No: of cycles per unit
Frequency
Source of scattered radiation due to KVP
PATIENT
