Medical Imaging Systems

Explain following term with respect to Radionuclide's:

i) Nuclear activity 

Write short note on:

Advances in medical imaging.

Write short note on:

c. Medical thermograph

Write short note on:

b. Vidicon camera

Write short note on:

i) Infrared detectors 

Discuss different types of NMR coils and Probes.

With a schematic explain Magnetic resonance imager.

Explain pulse sequence used in NMR imaging to measure relaxation times.

What is Magnetization? Describe the magnetization vector for the application of an external RF magnetic field. 

With schematic diagram explain working principle of SPECT and PET.

Explain following term with respect to Radionuclide's:

iv) Relative biological effect.

Explain following term with respect to Radionuclide's:

iii) Specific activity

Explain following term with respect to Radionuclide's:

ii) Half life time

Explain what happens when x-ray's interacts with matter.

Explain Ultrasonic Image characteristics.

Describe A - mode scanning. Give its applications.

Describe Ultrasonic transducer. Add a note on Resolution.

Explain following term with regard to Ultrasound:

v) Attenuation.

Explain following term with regard to Ultrasound:

iv) Refraction

Explain following term with regard to Ultrasound:

iii) Reflection

Explain following term with regard to Ultrasound:

ii) Intensity

Explain following term with regard to Ultrasound:

i) Characteristic impedance

Discuss any one algorithm used for CT image reconstruction.

What is Angiography? Describe the procedure of angiography.

Explain x-ray Image characteristics.