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types of mri machines – different techniques to identify tissues using magnetic resonance imaging

by:Newland     2019-10-29
The basic types of MRI machines use a wide variety of scanning procedures to identify pathological tissues, such as tumors, and to separate information from normal healthy tissues.
Each of these different types uses a specific echo style to gather information.
That is, the frequency and level of the magnetic field adjustment allows the technician to identify the required tissue in a different way. The spin-
Lattice relaxation time scanning causes the nucleus in the molecule to vibrate and rotate in constant motion.
This creates so-called lattice fields that allow the two nuclei to allocate energy between them. As the higher-
The energy nucleus allocates energy to the lower
The energy nucleus, rotation, and vibration increase and eventually dissipate, which allows technicians to create images with this adjustment.
Instead, rotate-
The spin relaxation time scan uses the concept of an advance to identify the nucleus.
Magnetic resonance scans produce a field that causes the nucleus to change its orientation according to its channel.
When the nucleus of a molecule rotates, the magnetic field forces it to change direction, which can be identified by scanning technology.
Different types of molecular tissue rotate at different speeds, helping technicians create the necessary images, detailing unwanted tissues such as tumors.
Top right: Modern MRI. (
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MRI techniques use specialized types of MRI machines for different types of scans, often with the aim of locating a particular type of disease or condition.
Like the basic style of MRI, each uses some magnetic field regulation to help create the image.
One of the most popular examples of specialized MRI is diffusion technology.
This is used to measure the movement of water molecules from one position to another, called diffusion.
In the most basic sense, magnetic resonance scans can identify water molecules in the body.
With the knowledge of how different parts of water flow through the body, the speed and position of diffusion are determined.
Magnetic transfer MRI scans also work with the concept of water, but in a different way.
In the body, there are two types of water molecules, a large amount of free water gathered in the body and water is combined, basically isolated water molecules in the entire solid tissue.
The rotational frequency of free water is faster than the rate of hydration, which enables the magnetic field to identify different types.
Other types of MRI machines are used to identify specific tissues using a combination of rotation rate and time gradient.
Angiography is used to identify an artery that is narrow or dilated, also known as a stenosis and an aneurysm.
The spinal cord fluid flows through the chamber of the brain to identify lesions and problems within the circulation system.
The spectrum measures the results of the cellular processes known as metabolites.
Each type of metabolites is identified by a specific regulation of the magnetic field.
Brain analysis by functional MRI scan.
The low resolution with a fast rate of magnetized shows changes in brain activity, depending on bloodoxygen level.
All different types of MRI machines are very useful for the medical industry.
Today, they offer a cost.
This is an effective and safe alternative to other invasive diagnostic imaging forms.
Top left: knee MRI. (
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