NON IONIZING RADIATION AND ITS
MEDICAL APPLICATION
Non-ionizing
Electromagnetic Radiation: Overview of non-ionizing radiation effects-Low
Frequency Effects-Higher frequency effects. Physics of light, Measurement of
light and its unit -limits of vision and color vision an overview, Thermography
– Application
SOUND IN MEDICINE
Physics
of sound, Normal sound levels–ultrasound fundamentals–Generation of ultrasound (Ultrasound
Transducer) - Interaction of Ultrasound with matter; Cavitations, Reflection,
Transmission - Scanning systems – Artefacts – Ultrasound – Doppler - Double
Doppler shift -Clinical Applications
PRINCIPLES OF RADIOACTIVE NUCLIDES
Radioactive
Decay – Spontaneous Emission – Isometric Transition – Gamma ray emission,
alpha, beta, Positron decay, electron capture, Sources of radioisotopes Natural
and Artificial radioactivity,Radionuclide used in Medicine and Technology
,Decay series, Production of radionuclides – Cyclotron produced Radionuclide -Reactor
produced Radio –nuclide - fission and electron Capture reaction, radionuclide
Generator-Technetium generator
INTERACTION OF RADIATION WITH MATTER
Interaction
of charged particles with matter – Specific ionization, Linear energy transfer
range,Bremsstrahlung, Annihilation,Interaction of X and Gamma radiation with
matter - Photoelectric effect, Compton Scattering , Pair production,
Attenuation of Gamma Radiation ,Interaction of neutron with matter and their
clinical significance.
BASIC RADIATION QUANTITIES
Introduction
–exposure - Inverse square law – KERMA -Kerma and absorbed dose –stopping power-relationship between the
dosimetric quantities-Bremsstrahlung radiation, Bragg’s curve-concept of LD 50-Stochastic
and Non-
stochastic effects, Different radiation
Unit, Roentgen, gray, Sievert
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