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What else can I help you with?
Nuclei excited by an rf pulse?
Yes, a magnetic resonance imaging scanner uses an RF pulse to excite nuclei in the body. Practically all medical MRI scanners are tuned to excite hydrogen nuclei. Other MRI scanners used in physics and chemistry labs are tuned to excite other nuclei -- see the links for a detailed list.
How do MRI relate to eletromagnetic waves?
MRI, or Magnetic Resonance Imaging, utilizes strong magnetic fields and radiofrequency electromagnetic waves to produce detailed images of the body's internal structures. The MRI machine generates a strong magnetic field that aligns the hydrogen nuclei in the body, and then radiofrequency pulses are applied to disturb this alignment. When the radiofrequency is turned off, the hydrogen nuclei return to their original alignment, emitting signals that are detected and translated into images. Thus, MRI exploits the principles of electromagnetic waves to visualize soft tissues in a non-invasive manner.
What is a MRI scan?
Magnetic resonance imaging (MRI), nuclear magnetic resonance imaging (NMRI), or magnetic resonance tomography (MRT) is amedical imaging technique used in radiology to visualize internal structures of the body in detail. MRI makes use of the property of nuclear magnetic resonance(NMR) to image nuclei of atoms inside the body. MRI can create more detailed images of the human body than are possible with X-rays.
What is magnetic resonance imaging (MRI)?
The abbreviation is MRI and it means: a special radiological test that uses magnetic waves to create pictures of an area, including bones, muscles, and tendons. MRI is often used in medical clinics. MRI is a form of Nuclear magnetic resonance (NMR) which uses a magnet to interact with hydrogen nuclei for instance. As the body is made up of 70% water, and water is 2 parts hydrogen, there is a lot of hydrogen in your body. Damage to tissues can therefore be seen rapidly.
What is the isotope of MRI?
The isotope commonly used in Magnetic Resonance Imaging (MRI) is hydrogen-1 (^1H), which is the most abundant isotope of hydrogen. MRI primarily detects the magnetic properties of hydrogen nuclei in water molecules in the body. When placed in a magnetic field and exposed to radiofrequency pulses, these hydrogen nuclei resonate, allowing for the detailed imaging of soft tissues. Other isotopes, such as carbon-13 (^13C) and phosphorus-31 (^31P), can also be used for specific applications but are less common.
Is an MRI nuclear?
MRI (magnetic resonance imaging) or as it used to be called NMR (nuclear magnetic resonance) has nothing to do with nuclear energy or nuclear radiation. but yes it is nuclear, it has to do with nuclear magnetism. A strong magnet lines up the magnetic fields of the nuclei in the atoms of your body then a radio pulse flips those magnetic fields and by measuring how long the magnetic fields of nuclei in various parts of your body gyrate and take to settle back in alignment with the external field they can compute a picture.
What is a device for seeing into the body?
An MRI
Is it possible to have a MRI body scan with a defibrillator fitted?
no it is not possible to have an MRI scan because the dfibrillator is dirupted by magnets and that is what an MRI is, a giant magnet.
Does fission occur in the body?
No, fission does not naturally occur in the human body. Fission is a nuclear reaction that involves the splitting of atomic nuclei, which is not a process that happens in biological organisms.
What happens in the core that marks the birth of a star?
Nuclear fusion, converting hydrogen nuclei into helium nuclei.
Why can't MRI scans help everyone?
If you have metal in your body you can not have an MRI Scan because the metal will not perform its job properly. Especially if the metal is magnetic, in which case the MRI can literally tear the object out of your body. Additionally there are some signatures that an MRI can't pick up and require a CT scan.
When should MRI's not be used?
MRI scanning should not be used when there is the potential for an interaction between the strong MRI magnetic field and metal objects that might be imbedded in a patient's body.
