Midterms | History of Medical Imaging Flashcards
When and what was the 1st medical image?
Roentgen’s wife (Hand)
Dec 1895
X-ray is a type of — radiograph (2D)
planar
X-ray projections
Anterior-Posterior (AP)
Postero-Anterior (PA)
Lateral
Beset ptojection for CXR
PA Projection
Identifies what is in contact with the CXT
Lead markers
Types of x-rays
- Static
- Dynamic
Static vs Dynamic X-rays
Static: image taken in a single point
Dynamic: series of images taken in a period of time
Example of a dynamic x-ray
Fluoroscopy: Dyncamic examination of internal structures
Who first invented CT Scan?
Godfrey Newbold Housfield
What was the first CT scanner callled?
EMI Mark 1
When was EMI Mark 1 invented?
1971 - 1972
EMI Mark 1 first use
Initially used to a 40 year old woman pt with a brain lesion
Property of unstable elements to undergo radiactive decay to become stable
Radioactivity
Person that led to the development of Nuclear Medicine
Antoine Henri Becquerrel
First nuc med image, year
Thyroid gland (1896)
Other term for radioactive elements
Radiotracers
What does red spots on nuc med indicate?
Malignant/ high activity within the area
Father of Nuc Med
George de Hevesy
What did de Hevesy develop?
Tracer Principle
Tracer principle was first tried in (1), then to (2), then to (3)
- plants
- animals
- humans
Radiation produced from pair production
Annihilation radiation
Who invented the Anger Scintillation Camera?
Hal Anger
Other term for sound waves
Acoustic waves
Started the interaction of acoustic wave in the media
Lord John Rayleigh
Used in WWII in detecting objects in water which was later applied on medicine
Sonar
Sonar led to the development of —
ultrasound
Father of MRI
Raymond Damadian
Damadian was the first to invent the first MRI Scanner called —
Indomitable
MRI first use
First used to Larry Minkoff ( Seen: Thoracic Spine with Lungs)