Questions tagged [mri]
Magnetic resonance imaging (MRI) is an imaging technology that employs various techniques (most notably magnetic fields) to capture the anatomy of a body.
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What actually is a stress fracture and why do they not necessarily appear on X-ray but do on MRI?
I'm a runner who was recently diagnosed with a stress fracture in my tibia. As dumb as it may sound, I can't seem to get my head wrapped around what a stress fracture actually is. Is it a hairline ...
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How does oxygen binding alter the electron configuration and magnetic properties of hemoglobin?
Could someone please tell me:
What is the electron configuration of the iron ion in deoxyhemoglobin, and how does this configuration contribute to its paramagnetic nature? And vice versa for ...
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Depth of MRI burns
I've read plenty of cases where the patient received an MRI burn at the point where the hand touches the thigh, and various other situations involving skin burns or subcutaneous tissue burns (in which ...
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Why the T1 recovery & T2 decay are independent? [closed]
I was thinking that the decrease in transverse magnetization results in the recovery of longitudinal magnetization.
However, recently, I found it was wrong. I saw a diagram
(McRobbie 2014. ...
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Where can I find brain scans of people who "changed their preferences" over time
Hello, I hope this is the correct SE for my question. If not, Mods, please advise me where I need to go.
Background
Often people say, that they changed their preference with time. They dont eat ...
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T1 weighting vs T2 weighting for monitoring a brainstem lession
https://www.researchgate.net/figure/1-Typical-values-of-relaxation-parameters-T1-and-T2-ms-for-Hydrogen-components-of_tbl1_291346848
I see from the table (various tables actually from diverse papers ...
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How do we differentiate the truncus coeliacus from the superior mesenteric artery?
How do we differentiate the the truncus coeliacus from the superior mesenteric artery when looked at from an MRI in the axial plane? For example, the images that I attached, how can I differentiate 8 ...
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Are the Tesla values of an MRI only related to the external static magnetic field?
Does a 3T MRI have 3 Tesla as magnetic field strength related to the external superconducting constant magnetic field or does it also include the maximum magnetic field strength at the position where ...
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Where can I find a list of MRI scanners ordered by the quality of the images they take?
I'd like to have a list of MRI scanners ordered by the quality of the images they take. The number of teslas is one parameter, but among MRI scanners with the same number it teslas, I'm told the image ...
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Does the age of an MRI scanner impact the quality of the scans?
I wonder whether the age of an MRI scanner (or how much it has been used) impact the quality of the scans. I.e., does the quality of the scans deteriorate as an MRI scanner gets older or more used?
A ...
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"Focal tear of the [ligament name]" vs. "Tear of the [ligament name]"
I am reading some MRI report and see "Focal tear of the [ligament name]". what does the adjective add? In other words, what is the difference between "Focal tear of the [ligament name]&...
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Where can I find free cervical MRI files and cervical CT angiography files?
I would like to research cervical MRI and CT-angiography files of different people to understand more about cervical MRI and CT-angiography.
I've only been able to find some other MRIs and CTs here: ...
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How to add MRI sections side by side in the MedDream DICOM viewer? [closed]
I'm trying to read MRI results. I want to have images side by side, like in this video: https://youtu.be/uO3xmPLrvvM?t=119
I'm using MedDream viewer online. It's the most convenient and I can't ...
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Does a patient have to lie on their back (supine) for an MRI scan? [closed]
Could a patient be on their stomach or side during an MRI exam?
I have had CT scans while on my side and it was no problem. The MRI technician says it is impossible to perform an MRI unless the ...
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What would be the consequence if one does not drink a lot of water immediately after an MRI with contrast agent (intravenously injected)? [closed]
Since the most commonly used compounds for contrast enhancement are gadolinium-based, which is toxic, would drinking very little water over the e.g. 5 hours after the MRI procedure result in some long-...
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