Scanning Goals!!! Optimizing for Time, CNR, SNR, Resolution with Matt Rederer from RiteAdvantage.com

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In this Episode, we bring back guest Matt Rederer, to discuss the goals in MRI image acquisition, emphasizing the balance between Resolution, SNR, CNR, and Scan Time. The conversation touches on the technical aspects of MRI, including the importance of parameters like TR, phase encoding, and receiving bandwidth. Matt also explores the rise of deep learning in MRI and its potential impact. The episode further delves into MRI imaging techniques, with a focus on aliasing, k-space, and image space.

The discussion is enriched with practical tips, visual aids, and playful banter. The episode concludes with a nod to the importance of continuous learning and the resources available for MRI professionals.

A huge thank you to all our viewers for joining us on this episode. Your continuous support and engagement make these discussions even more meaningful. Stay curious, and here's to many more enlightening episodes together.

00:24 - The hosts introduce themselves: Robert, Reggie, and Matt.
01:54 - Discuss the trade-offs in MRI scanning.
02:05 - Importance of understanding the balance between resolution, signal, contrast, noise ratio, and scan time.
03:05 - Technical aspects of MRI, discussing resolution, signal to noise ratio, contrast, and scan time.
04:19 - Importance of patient comfort and reducing scan time is highlighted.
05:10 - Strategies for identifying patient needs and preferences, emphasizing the importance of communication.
10:30 - Technicalities of TR (Time of Repetition) in MRI and its impact on scan time and image quality.
12:13 - Impact of phase encoding on image quality and scan time.
14:05 - Parallel imaging and its benefits in reducing scan time without compromising too much on image quality.
15:51 - Importance of understanding radiologists' needs and preferences to optimize MRI protocols.
16:35 - Receiving bandwidth and its potential to reduce scan time.
16:50 - Benefits of adjusting the receiving bandwidth in MRI sequences.
17:37 - Understanding purpose of the MRI exam and tailoring the parameters accordingly.
20:20 - The rise of deep learning in MRI and its potential impact on the field.
22:02 -Importance of slice thickness in achieving good resolution.
23:38 - The relationship between field of view and image matrix in determining resolution.
24:59 - Importance of having a tighter field of view for better diagnostic quality.
33:33 - Importance of high matrices for viewing finer structures.
35:45 - The role of field of view in MRI imaging and its impact on image quality.
36:09 - Discussion on signal to noise ratio and the advent of deep learning in MRI.
37:53 - Importance of understanding MRI parameters and not cutting corners for faster scan times.
39:02 - Diffusion-weighted imaging and the significance of B values.
40:00 - Emphasis on the importance of true B values versus calculated B values in MRI scans.
52:30 - Discussion on the concept of aliasing in MRI and its impact on image quality.
53:53 - Explanation of k-space versus image space and how it relates to aliasing.
54:33 - The importance of understanding the signal wrapping in MRI.
55:34 - A playful quiz on baseball teams.
56:50 - Closing remarks and appreciation for the guest's insights.
57:44 - Mention of the guest's website and the valuable resources available for MRI professionals.
59:24 - Closing statements and gratitude for the viewers and subscribers.

About our Guest:
Matt is the President of RITE Advantage LLC. A company focused on educating and testing MRI, CT, Sonography, and Radiography students and technologists. The lead MRI technologist and a certified MR Safety Officer at Advocate Sherman Hospital. Matt is also the MRI/CT Physics Professor at Elgin Community College.

Matt’s very knowledgeable at MRI physics which is the fundamental factor for image acquisition. So in addition to tricks and tips learned from coworkers, Matt stresses the importance of understanding how to optimize the image you’re acquiring by means of physics. Matt appreciates the artistic influence that naturally comes with photography. If you understand what’s happening on the back end in terms of k space etc., then you can be the creator of new tips and tricks to share with your coworkers and team.

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