Can already tell this series will be the best MRI physics series, most get bogged down with irrelevance and without the pictures to really help us understand, unlike yours. Keep it up!
Thanks so much for your great videos, they're extremely helpful! I've started reading several resources before coming here and things alweays didn't make sense to me whenever I reached the TR and TE principles but now I know understand what are these. Thanks again!
If i had this when i was in school, life would have been so much easier. Kudos man, on my way to MRSO, just brushing up and i feel like ive grasped it even more. Thank you sir
Amazing how great you are explaining all of this! I'm a MRI technician and this week Siemens workers changed our gradient coil which was broken. They explained to me the shimming process and even showed me the pieces of metal they used for it. But you made it all so much clearer! Will be watching all of your videos for sure!
Hi Doctor, thank you for these videos they are making MRI physics easier to understand, Iam studying for the ARRT exam do you have a question bank for MRI?
Michael, thank you a lot for the great channel! Could you please answer the question? What's the reason for using gradient coils? What the main goal for magnetic field strength heterogeneity? Or it is explained in next videos:) Thank you again!
Hi 👋🏼 gradient fields help us localise signal. Covered in upcoming talks. We don’t want magnetic field heterogeneity rather homogeneity to accurately localise signal based on precessional frequency and phase. We go into more depth in the next few talks 🙂
Brilliant analogies! Even more brilliant explanations! You just taught me a concept I, apparently, wasn’t fully understanding after years of studying. How the magnetic moments are flipping exactly. I always thought they flipped transversely and precessed like a top in that direction. That it flipped and spun in the same manner as it was pre-stimulation. Instead, they fan out, and at 90 degrees, the spin looks more like the face of a watch. Mind. Blown. 🤯 I take the registry in four days, and will probably blow it away. However, I wish I’d discovered you earlier to better understand the actual practical concepts. Either way, my coworkers will come to know your tutorials well. Thanks.
I see many people say MRI physics is hard and they barely passed , if most of them aren’t really understanding physics but still go on to become MRI techs , how important is MRI physics ?
Dear Dr. Nel, Out of curiosity, did you mean "homogenous" or "homogeneous" when referring to the ideal world magnetic field? Apparently, the pair is a loved example of some essayists and grammarists. Both meanings might fit although homogeneous is probably the right one 🤓 Thanks a million for the outstanding content.
⬆️ transverse magnetisation said by u sir but it’s confusing because it signifies longitudinal magnetism in books vice Versa with ➡️ longitudinal magnetisation it’s signifies as transverse magnetisation in books. But concept is crisp clear what u taught till now sir. Thanks 🙏
You are explaining this better than my professor who is co-building one of the stongest MRI-machines in the world himself, which does say a lot! Hats off and many thanks for this MRI physics series!❤
with regard to spatial gradient magnetic field of x and y direction, is the gradient magnetic field directed to z axis and its magnitude is changing along x and y axis?
Thanks a lot, while I do love physicist lectures in the classroom, you can't exactly pause them and take notes, let alone rewind them as there is a schedule to keep up with. And in physics, devil is often in the details.
Very good and very well explained, I study biomedical engeneering and this is teached to us in the first master and this was way better explained and visualised!i
Doctor you can scare us nevertheless you are recorded anyway.. But I am still failing to make sense of how the transverse plane contribute to the t1 decay
Hopefully it will become clear over the next few videos. T1 decay is only determined by regaining longitudinal/ Z axis vector (which is due to tissue type and strength of magnetic field). Transverse magnetisation is completely independent of T1 decay.
Hi Michael, I have one question though, How can RF coil create perpendicular magnetic field? As the setup is such, the magnetic field generated by any coil can only be in longitudinal direction. BTW wonderful videos!!
Forgive me if I’m wrong, but the way I understand it, the RF pulse is not creating a perpendicular magnetic field, but rather causing the protons within the longitudinal field to ‘flip’ into the transverse plane. It’s just the protons flipping, not the magnetic field!
such a perfect video. I really appreciate your knowledge and also your ability to explain these difficult concept in a clear way. thank you so much you made this lesson easy for me.
YOU ARE A GREAT TEACHER. I LEARNED A LOT AND REGISTERED TO YOUR CHANNEL. PLEASE DO MORE OF THESE VIDEOS AND EXPLAIN IN A WAY TO MAKE IT EASY FOR US TO UNDERSTAND. GOD BLESS YOU.
Hello! I hope you are doing great, I have learned a lot from your explanations. But I really need your help, I will have an exam and I have some multiple choice questions and I'm not sure of my answers. Can you help me please I can send you the questions
I can’t believe this is free on UA-cam!
Can already tell this series will be the best MRI physics series, most get bogged down with irrelevance and without the pictures to really help us understand, unlike yours. Keep it up!
Thank you 🙏🏻 I really hope it helps your understanding. Difficult to know what level of depth people want! Appreciate such a kind comment ❤️
@@radiologytutorials Great for a rads resident level!
@@radiologytutorials feel free to dive even deeper! We will appreciate it.
Thanks so much for your great videos, they're extremely helpful! I've started reading several resources before coming here and things alweays didn't make sense to me whenever I reached the TR and TE principles but now I know understand what are these. Thanks again!
If i had this when i was in school, life would have been so much easier. Kudos man, on my way to MRSO, just brushing up and i feel like ive grasped it even more. Thank you sir
Thank you for this, doc!
Pleasure 🙂
Scared off by the first video?!!!!! Dude you made me fall in love, Thank you very much!
Thank you for creating this!!💓
Thx for Sharing your Knowledge
Thank u ! 🥺It helped alot ❤️❤️
Amazing how great you are explaining all of this! I'm a MRI technician and this week Siemens workers changed our gradient coil which was broken. They explained to me the shimming process and even showed me the pieces of metal they used for it. But you made it all so much clearer! Will be watching all of your videos for sure!
Medical imaging student here second year second semester. You're are an Angel. Grazie mille!!
Same here 😊
Which school
Hi Doctor, thank you for these videos they are making MRI physics easier to understand, Iam studying for the ARRT exam do you have a question bank for MRI?
Awesome, the animations are fantastic, and also you include enough details that might be easily overlooked in some other tutorials. Thank you !
Thank you @munan9716! The most difficult part is figuring out how much detail to include 😆
Michael, thank you a lot for the great channel! Could you please answer the question? What's the reason for using gradient coils? What the main goal for magnetic field strength heterogeneity? Or it is explained in next videos:) Thank you again!
Hi 👋🏼 gradient fields help us localise signal. Covered in upcoming talks. We don’t want magnetic field heterogeneity rather homogeneity to accurately localise signal based on precessional frequency and phase. We go into more depth in the next few talks 🙂
@@radiologytutorials Thanks!
Brilliant analogies! Even more brilliant explanations! You just taught me a concept I, apparently, wasn’t fully understanding after years of studying. How the magnetic moments are flipping exactly.
I always thought they flipped transversely and precessed like a top in that direction. That it flipped and spun in the same manner as it was pre-stimulation. Instead, they fan out, and at 90 degrees, the spin looks more like the face of a watch. Mind. Blown. 🤯
I take the registry in four days, and will probably blow it away. However, I wish I’d discovered you earlier to better understand the actual practical concepts. Either way, my coworkers will come to know your tutorials well. Thanks.
beautiful.
i love how you explain and make things easy for someone who does not have a physics brain.
god bless you
I had to constantly go back and rewatch the video because I keep getting lost in your eyes. So annoying.
Thanks a lot for your videos.
You are a saviour
It’s an absolute pleasure ☺️
I see many people say MRI physics is hard and they barely passed , if most of them aren’t really understanding physics but still go on to become MRI techs , how important is MRI physics ?
the best explanation, thanks a lot
Glad it was helpful!
very helpful! Thank you.
Great! So glad you found it useful 😀 Hope you enjoy the rest !
you have single-handedly saved my semester in medical imaging
Wow! Your examples are great and so helpful to understand MRI physics ☺ Thanks a million!
Absolute pleasure Nick 🙂
Amazing 👏
Glad you think so! Thank you Muhammad
Dear Dr. Nel,
Out of curiosity, did you mean "homogenous" or "homogeneous" when referring to the ideal world magnetic field? Apparently, the pair is a loved example of some essayists and grammarists. Both meanings might fit although homogeneous is probably the right one 🤓
Thanks a million for the outstanding content.
Learned something today. Seems the majority of people have given up trying to keep the two separate in meaning. But yes, technically homogeneous ☺️
Thank you. appreciated efforts.. I liked the swing example
very helpful
the harmony and simplicity of this video is beyond perfection ♥
❤️❤️
⬆️ transverse magnetisation said by u sir but it’s confusing because it signifies longitudinal magnetism in books vice Versa with ➡️ longitudinal magnetisation it’s signifies as transverse magnetisation in books. But concept is crisp clear what u taught till now sir. Thanks 🙏
You are explaining this better than my professor who is co-building one of the stongest MRI-machines in the world himself, which does say a lot! Hats off and many thanks for this MRI physics series!❤
great lectures, great teacher.
Thank you Cai 🙂
Why are you just so amazing! How can we support you doing this for freee?
Thanks Chris 🙏🏻 watching the videos and telling others about them is the best way ☺️
Right now I need you more than my girlfriend. Lol thank you great teacher.
Please add subtitles
with regard to spatial gradient magnetic field of x and y direction, is the gradient magnetic field directed to z axis and its magnitude is changing along x and y axis?
Exactly 💯
@@radiologytutorials Thank you so much!
Thanks for your incredible lessons!!!
Best regards. Fourth semester of radiography . 😊
This is the best video I had ever watched about mri physics and it would be amazing if you could have the transcript on the video
Thanks a lot, while I do love physicist lectures in the classroom, you can't exactly pause them and take notes, let alone rewind them as there is a schedule to keep up with. And in physics, devil is often in the details.
Thank you so much. That is perfect. Keep going.
Thank you 🙏🏻 appreciate it!
Very good lecture! Looking forward for more video lectures from you. Thank you doctor!
Thank you Fatma 🤗
Wow 🎉
Thanks Tausif 🙂
Quality content ❤
Amazing videos! Way more better than my lecturer!
Better than mine too
Very good and very well explained, I study biomedical engeneering and this is teached to us in the first master and this was way better explained and visualised!i
Excellent videos! thanks for your labor!
wow. so far the best video about this topic. Thank you so much!
Doctor you can scare us nevertheless you are recorded anyway..
But I am still failing to make sense of how the transverse plane contribute to the t1 decay
Hopefully it will become clear over the next few videos. T1 decay is only determined by regaining longitudinal/ Z axis vector (which is due to tissue type and strength of magnetic field). Transverse magnetisation is completely independent of T1 decay.
Hi Michael, I have one question though, How can RF coil create perpendicular magnetic field? As the setup is such, the magnetic field generated by any coil can only be in longitudinal direction. BTW wonderful videos!!
Forgive me if I’m wrong, but the way I understand it, the RF pulse is not creating a perpendicular magnetic field, but rather causing the protons within the longitudinal field to ‘flip’ into the transverse plane. It’s just the protons flipping, not the magnetic field!
I love you
such a perfect video. I really appreciate your knowledge and also your ability to explain these difficult concept in a clear way. thank you so much you made this lesson easy for me.
Thank you Zahra 🙂 glad they’re helpful!
Where can I get the Short questions sir? And thank you so much for explaining it so easily with pictures.
I’m still making the video answer to the question bank. Hoping to have them completed soon 🙂
Thank you my dude❤ very helpful
YOU ARE A GREAT TEACHER.
I LEARNED A LOT AND REGISTERED TO YOUR CHANNEL.
PLEASE DO MORE OF THESE VIDEOS AND EXPLAIN IN A WAY TO MAKE IT EASY FOR US TO UNDERSTAND.
GOD BLESS YOU.
Thank you so much for your support 🥳
God bless you
Exceptional
❤❤
Please share the link for mri MCQ
Still working on the question bank 🫱🏼🫲🏽
❤❤
❤❤
❤️❤️
F
You are brilliant !
Thank you! 😃
Awesome Lecture Sir
❤️
THANKS A LOT !
Pleasure!
Hello! I hope you are doing great, I have learned a lot from your explanations. But I really need your help, I will have an exam and I have some multiple choice questions and I'm not sure of my answers. Can you help me please
I can send you the questions