Tag Archives: Nuclear medicine

An Introduction To Medical Imaging Modalities For Biomedical Beginners

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Medical imaging refers to the techniques and processes used to create images of the human body (or parts thereof) for clinical purposes (medical procedures seeking to reveal, diagnose or examine disease) or medical science (including the study of normal anatomy and function). As a discipline and in its widest sense, it is part of biological imaging and incorporates radiology (in the wider sense), radiological sciences, endoscopy, (medical) thermography, medical photography and microscopy (e.g. for human pathological investigations). Measurement and recording techniques which are not primarily designed to produce images, such as electroencephalography (EEG) and magnetoencephalography (MEG) and others, but which produce data susceptible to be represented as maps (i.e. containing positional information), can be seen as forms of medical imaging.

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Basic & Detailed Tutorial on Nuclear Medicine & Imaging for Biomedical Beginners

Medical imaging is a mainstay in the field of nuclear medicine. In nuclear medicine, radioactive elements (as isotopes) that are part of specific fluids are introduced into the body (usually by injection into the blood). As it circulates, a particular radioisotope tends to distribute throughout the body at points served by the blood flow and may even concentrate preferentially in certain organs (for example, radioactive iodine in the thyroid gland). As the isotope decays, it gives off radiation (most commonly, gamma rays) which can be intercepted by a gamma camera or other detector. Variations in radiation intensity and in spatial location at point sources in the body activate film or more usually a detector array that responds by mapping the radiation intensity in X-Y space to create an image. The radioisotopes in normal usage have relatively short half lifes, thus decaying rapidly, and minimizing the exposure to damaging radiation.

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Post Graduate Diploma in Medical Radioisotope Techniques

Considering the fact the inclination of majority of students towards more stream-lined courses, Diploma In Medical Radio-Isotope Techniques might seem to be in first place a very obvious second alternative. However, they must also understand that this second alternative is designed in such a way that has a special focus to equip candidates for working in Nuclear Medicine Centers, which in itself would be an achievement.

Eligibility Criteria

Students aspiring to pursue this course should have B.Sc. Degree with at least 60% marks in Science or applied subjects of Science like Chemistry, Life Sciences, Physics, Biochemistry, Microbiology, Biotechnology, Biophysics, Nuclear Medicine Technology, Medical Radiological Technology. Candidates with M.Sc. Degree can also apply.

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LECTURE NOTES EXPLANATION OF ALL IMAGING MODALITY

Lecture 1: Principles of X-ray imaging (940 kB)

Lecture 2 : Technology and applications for planar X-ray imaging (1.2 MB)

Lecture 3 : Principles of X-ray Computed Tomography (660 kB)

Lecture 4 : X-ray CT applications (1 MB)

Lecture 5 : Nuclear Medicine (356 kB)

Lecture 6 : Emission Tomographies (1.5 MB)

Lecture 7 : Principles of Ultrasound imaging (576 kB)

Lecture 8 : Applications of Ultrasound imaging (884 kB)

Lecture 9 : Nuclear Magnetic Resonance (776 kB)

Lecture 10 : Magnetic Resonance Imaging (1.8 MB)

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