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Intro to Imaging - Coggle Diagram
Intro to Imaging
Modalities
Plain radiography
Fleuroscopy
Angiography
CT
DEXA
X-rays
Nuclear medicine
Gamma rays
Ultrasound
MRI
Non-ionising radiation
Radiology Study
Name
DOB
Hospital number
Date of exm
Side markers
Clinical details
View all films
Patient Assesment
History
Exam
Investigation
Diagnosis / diff
Management
5 Radiographic Densities (Opacity)
Metal
Bone / calcification
Fluid / soft tissue
Fat
Air
Image Interpretation
Systematic approach
Technique
Alignment
Bones, calcifications, soft tissues, edge of film
Practice
X-Rays
Form of EM radiation
Production
Cathode - heated tungsten filament
Rotating anode : Tungsten
Tub - patient - detector
Detectors
Radiographic film
Digital detector
Radiographic Film
Results from differential absorption of x-ray beam by patient
Effectively X-rays blaken the film
Projections
PA vs AP
PA preferred
Computed Tomography
Doughnit shaped gantry
Moving patient table
1mil euro
Weight restrictions
CT
13% of all
Risk/benefit
Strongly tilted toward beneift
Ionizing Radiation
Deterministic Effects
Interventional
Cardiac
Stochastic effects
CT, Radiography
ALARA Prinicple
As low as reasonably achievable
