X-ray VS CT scan VS MRI.pptx
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X-rays, CT scans, and MRI are imaging techniques that use different technologies to create images of the inside of the body. X-rays pass through the body and are recorded digitally. Dense structures like bone appear white on x-rays, while air appears black and soft tissues appear in shades of gray. CT scans combine multiple x-ray images from different angles to create cross-sectional images. MRI uses magnetic fields and radio waves to create detailed images without using ionizing radiation. These techniques are used to diagnose and monitor a variety of bone, joint, soft tissue, and internal organ conditions.
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This document provides an overview of several common medical imaging technologies: X-rays, MRI, ultrasound, and CT scans. X-rays use electromagnetic radiation to form images and were the first form of medical imaging. MRI uses magnetic fields and radio waves to produce detailed images without radiation. Ultrasound uses high frequency sound waves to safely image soft tissues and flowing blood in real time. CT scans combine multiple X-ray images taken from different angles to construct detailed three-dimensional images of the inside of the body. Each technology has advantages and disadvantages for different diagnostic purposes.
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CT scanning provides cross-sectional images of the body which can be manipulated and reformatted in various planes. It uses X-rays combined with computer processing to generate 3D images of tissues and organs. CT scanning is more detailed than standard X-rays and can detect abnormalities such as tumors, bleeding, fractures and blockages. It has various medical applications for imaging organs like the brain, lungs, kidneys and blood vessels. While it provides advantages over other imaging methods, it also involves exposure to ionizing radiation.
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General radiology uses modalities like x-rays, CT scans, ultrasound, MRI, and fluoroscopy to visualize anatomy and diagnose diseases. It has many subspecialties focused on different body systems. Nuclear medicine uses radioactive tracers and imaging like gamma cameras, SPECT, and PET to examine physiological processes. While general radiology images anatomy, nuclear medicine focuses on cellular function. Hybrid imaging combines modalities for increased diagnostic accuracy. PET-CT is an example, providing anatomical and functional data.
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Radiology is a medical specialty that uses various imaging technologies to diagnose and treat diseases. These technologies include x-rays, computed tomography (CT) scans, magnetic resonance imaging (MRI), ultrasound, and nuclear imaging techniques. Radiology has two sub-fields: diagnostic radiology, which uses imaging to aid in diagnosis, and therapeutic radiology (also called radiation oncology), which uses radiation therapy to treat diseases like cancer. Common diagnostic imaging techniques include CT scans, x-rays, MRI scans, ultrasound, and nuclear medicine scans.
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Investigations
X-rays, CT scans, and MRI are imaging techniques that use different technologies to create images of the inside of the body. X-rays pass through the body and are recorded digitally. Dense structures like bone appear white on x-rays, while air appears black and soft tissues appear in shades of gray. CT scans combine multiple x-ray images from different angles to create cross-sectional images. MRI uses magnetic fields and radio waves to create detailed images without using ionizing radiation. These techniques are used to diagnose and monitor a variety of bone, joint, soft tissue, and internal organ conditions.
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The document provides an overview of various medical imaging modalities used in radiology, including x-rays, computed tomography (CT) scans, ultrasound, magnetic resonance imaging (MRI), and nuclear medicine imaging. It describes how each modality works, what parts of the body it can image, its benefits and risks or limitations. The modalities covered provide physicians noninvasive tools to diagnose and treat diseases by creating visual images of internal organs and tissues.
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brief but informative knowledge about what basically CT is and what is the phenomenon behind this machine ... easy to understand as well as presenting during lectures and in classes . share it
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This document provides an overview of several common medical imaging technologies: X-rays, MRI, ultrasound, and CT scans. X-rays use electromagnetic radiation to form images and were the first form of medical imaging. MRI uses magnetic fields and radio waves to produce detailed images without radiation. Ultrasound uses high frequency sound waves to safely image soft tissues and flowing blood in real time. CT scans combine multiple X-ray images taken from different angles to construct detailed three-dimensional images of the inside of the body. Each technology has advantages and disadvantages for different diagnostic purposes.
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CT scanning provides cross-sectional images of the body which can be manipulated and reformatted in various planes. It uses X-rays combined with computer processing to generate 3D images of tissues and organs. CT scanning is more detailed than standard X-rays and can detect abnormalities such as tumors, bleeding, fractures and blockages. It has various medical applications for imaging organs like the brain, lungs, kidneys and blood vessels. While it provides advantages over other imaging methods, it also involves exposure to ionizing radiation.
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CT scan and MRI are the techniques for body imaging. Computed Tomography or Computerized Axial Tomography is commonly referred to as a CT scan.
C- computed (Use of computer) and T- tomography (Greek word “Tomos” means “slice” and “Grapho” means “ To write”
The first commercial CT scanner was invented by Sir Godfrey Hounsfield in United Kingdom.
It is a diagnostic imaging procedure that uses a combination of X-rays and computer technology to produce images of the inside of the body. It shows detailed images of any part of the body including the bones, muscles, fat, organs and blood vessels.
CT scans may be performed to help diagnose tumors, investigate internal bleeding, or check for other internal injuries or damage.
Computed Tomography or Computerized Axial Tomography is commonly referred to as a CT scan.
C- computed (Use of computer) and T- tomography (Greek word “Tomos” means “slice” and “Grapho” means “ To write”
The first commercial CT scanner was invented by Sir Godfrey Hounsfield in United Kingdom.
It is a diagnostic imaging procedure that uses a combination of X-rays and computer technology to produce images of the inside of the body. It shows detailed images of any part of the body including the bones, muscles, fat, organs and blood vessels.
CT scans may be performed to help diagnose tumors, investigate internal bleeding, or check for other internal injuries or damage. Computed Tomography or Computerized Axial Tomography is commonly referred to as a CT scan.
C- computed (Use of computer) and T- tomography (Greek word “Tomos” means “slice” and “Grapho” means “ To write”
The first commercial CT scanner was invented by Sir Godfrey Hounsfield in United Kingdom.
It is a diagnostic imaging procedure that uses a combination of X-rays and computer technology to produce images of the inside of the body. It shows detailed images of any part of the body including the bones, muscles, fat, organs and blood vessels.
CT scans may be performed to help diagnose tumors, investigate internal bleeding, or check for other internal injuries or damage. MRI stands for Magentic Resonance Imaging which is a non-invasive medical imaging test that produces detailed images of almost every internal structure in the human body, including the organs, bones, muscles and blood vessels.
MRI scanners create images of the body using a large magnet and radio waves.
No ionizing radiation is produced during an MRI exam, unlike X-rays. These images give your physician important information in diagnosing your medical condition and planning a course of treatment.
Raymond Damadian, the inventor of the first magnetic resonance scanning machine performed the first full-body scan of a human being in 1977.
The Nobel Prize was awarded to the American chemist, Paul Lauterbur, and the British physicist, Peter Mansfield, for developing a method to represent the information gathered by a scanner as an image. This is fundamental for the way the technology is used today.
CT vs MRI Scan
CT scans and MRIs are two commonly used medical imaging tests that provide more detailed images than traditional x-rays. A CT scan uses multiple x-rays taken from different angles to generate 3D images, while an MRI uses magnetic fields and radio waves. Each has different strengths - a CT is better for trauma and bones, while an MRI provides more detailed soft tissue images and is safer for those with metal implants. Both are generally safe, but CT exposes patients to radiation while MRIs cannot be used on those with certain metal implants due to magnetic interactions.
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This document discusses the development and benefits of MRI scans. It begins by explaining the need for technology to see inside the body without surgery. It then discusses early technologies like X-rays and CT scans. MRI scans were invented in the 1970s and use powerful magnets and radio waves to produce detailed 3D images of soft tissues without radiation. MRIs have advantages over X-rays like detecting subtle differences in soft tissues and producing multiple plane images without moving the patient. The document concludes that MRI scans are extremely effective diagnostic tools that help discover health issues and guide treatment.
Rayos X
X-rays are a form of electromagnetic radiation that can pass through objects like the human body. X-rays are used to produce digital radiograph images that can diagnose diseases, injuries, and other issues by showing things like bones, soft tissues, and vessels. The process involves placing the patient or object between an x-ray source and detector, which allows certain tissues and bones to appear more visible in the radiograph images. X-rays are used for procedures like general radiography to detect fractures or tumors, mammography for cancer screening and diagnosis, fluoroscopy to see real-time moving images inside the body, and high-energy radiation treatment to kill cancerous cells and tumors.
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The document provides an overview and comparison of different medical scanning technologies, including CAT scans, MRI, DSR, PET scans, and sonograms. It explains what each scan is, how it works, its advantages and disadvantages, and common medical uses. The CAT scan uses X-rays to create cross-sectional images of the body, while MRI uses magnets and radio waves for soft tissue imaging without radiation. DSR is a prototype high-speed 3D CT scanner. PET scans use radioactive tracers to examine organ function, and sonograms use ultrasound to image areas like the womb during pregnancy in a non-invasive manner.
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Project report on Diagnostic imaging.docx
This document is a project report on diagnostic imaging that was completed by nursing students. It discusses four main types of diagnostic imaging - MRI, CT scan, x-ray, and ultrasound. For each type, it provides definitions, purposes, procedures, and risks. MRI uses magnetic fields to produce detailed anatomical images. CT scans use x-rays to create cross-sectional images. X-rays produce images using radiation absorption. Ultrasound uses sound waves to assess soft tissues and organs. While very useful diagnostically, some techniques involve small radiation risks. The report aims to inform readers about these important medical imaging tools.
Intro to CT scan machine
CT scans provide detailed 3D images of internal organs and tissues by using X-rays from multiple angles to construct cross-sectional slices and assemble them digitally. A CT scanner rotates an X-ray beam around the body and uses a detector to convert the rays into a 3D image, allowing tissues to be distinguished. While CT scans use ionizing radiation, they provide more detailed images than standard X-rays and are useful for examining soft tissues, blood vessels, and injuries.
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
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Medical imaging machines such as CT scans, PET scans, MRIs, DSR scans, and sonograms are described. CT scans use X-rays and computers to produce cross-sectional images of the body. PET scans use radioactive tracers to detect cancer and brain disorders. MRIs use magnetic fields to produce detailed images without radiation. DSR scans create 3D images in real time. Sonograms use ultrasound to safely image fetuses and internal organs.
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The document summarizes various medical imaging machines including CT scans, PET scans, MRI scans, DSR scans, and sonograms. CT scans use X-rays and computers to produce cross-sectional images of the body. PET scans use radioactive tracers to detect cancer and other diseases. MRI scans use magnetic fields to produce detailed images of organs and soft tissues without radiation. DSR scans produce real-time 3D images while sonograms use ultrasound to image fetuses and internal organs in real-time without radiation.
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The first commercial CT scanner was invented by Sir Godfrey Hounsfield in United Kingdom.
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CT scans may be performed to help diagnose tumors, investigate internal bleeding, or check for other internal injuries or damage. Computed Tomography or Computerized Axial Tomography is commonly referred to as a CT scan.
C- computed (Use of computer) and T- tomography (Greek word “Tomos” means “slice” and “Grapho” means “ To write”
The first commercial CT scanner was invented by Sir Godfrey Hounsfield in United Kingdom.
It is a diagnostic imaging procedure that uses a combination of X-rays and computer technology to produce images of the inside of the body. It shows detailed images of any part of the body including the bones, muscles, fat, organs and blood vessels.
CT scans may be performed to help diagnose tumors, investigate internal bleeding, or check for other internal injuries or damage. MRI stands for Magentic Resonance Imaging which is a non-invasive medical imaging test that produces detailed images of almost every internal structure in the human body, including the organs, bones, muscles and blood vessels.
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Intro to CT scan machine
CT scans provide detailed 3D images of internal organs and tissues by using X-rays from multiple angles to construct cross-sectional slices and assemble them digitally. A CT scanner rotates an X-ray beam around the body and uses a detector to convert the rays into a 3D image, allowing tissues to be distinguished. While CT scans use ionizing radiation, they provide more detailed images than standard X-rays and are useful for examining soft tissues, blood vessels, and injuries.
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Changes in vegetation cover refer to variations in the distribution, composition, and overall
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Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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- 1. X-RAY VS CT SCAN VS MRI Dr.Hardip Baraiya
- 2. X- RAY X-rays are a form of electromagnetic radiation, like light. They are less energetic than gamma rays and more energetic than ultraviolet light. They pass easily through soft tissue such as organs and muscles. They don’t pass as easily through hard tissue such as bones and teeth, so they produce images of skeletal structures.
- 3. Creates 2D images. Used primarily to see bone and detect tuberculosis, pneumonia, lung cancer and pneumothorax. Most common and widely available. Low costly. Use radiation to produce images .
- 4. Tuberculosis x-ray Lung cancer Pneumonia X-ray
- 5. CT-SCAN Other name is computerized tomography (CT-scan). A computerized tomography (CT) scan is usually a series of X-rays taken from different angles and then assembled into a three-dimensional model by a computer. Tomography means a picture of a slice. CT image is more useful for understanding blood vessels and soft tissue.
- 6. Rotating x-ray machine to take multiple x-ray image from different angle Blood clot, blood injury, cancer, tumor, lung, heart, abdomen Radiation Creates 3D images Faster than MRI Less cost than MRI No noise sound
- 7. CT-SCAN machine LUMBER SPINE CT- SCAN
- 8. MRI Other name is magnetic resonance imaging (MRI). Strong magnetic field and radio wave frequency Spine, bone, joint, brain tumor, stroke better for soft tissue, ligaments No radiation Creates 3D images Costly than CT scan Noise sound
- 9. MRI MACHINE LUMBER SPINE MRI
- 10. THANK YOU…