Diagnosing strokes with imaging CT, MRI, and Angiography | NCLEX-RN | Khan Academy
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- čas přidán 17. 03. 2015
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I had a massive stroke 1year ago,due to blood clot on right side of brain... glad to be typing out this comment and functioning well...they tried to remove clot and it broke into 3 pieces...glad i was sleep during that....well, in a coma...but still I'm functioning well
q4e211¹q7i87q0i99iikkkkkkkk
one of my uncle is having same problem right now
😊😊😊😊😊😊😊
I am also a stroke survivor, so glad you're doing OK! 🙏
Just for clarification, the image seen at 9:00 is not a flair image. It is a routine t2 weighted image. A flair (Fluid-attenuated inversion recovery) shows dark fluid. It is correct that flair imaging is extremely helpful with stroke imaging, (along with diffusion weighted imaging, DWI) the image at 9:00 min is a routine T2.
Great video for prepping the night before med finals. This and the 2000 other Khan and other providers' videos I've watched in better understanding pathophys and anatomy. Way better than most of the lectures provided at uni.
Amazing! I am so thankful for sharing your expertise and knowledge
Best explanation so far on youtube. Thank you!
Brilliant! Very clear explanation. I was fortunate to be admitted to a "Dr. House" type hospital where they whisked me into a powerful 3T MRI suite to observe my ischemic stroke in real time. Thanks for posting, especially since I'm still feeling like a "lab rat," as the docs are still trying to discover the cause of my TIA.
I had a stroke 2 years ago. I got all imaging from my doctor and am going throught it in an effort to know my enemy. This video has been helpful for that! Thanks!
Hey man hope your doing better. All my best wishes to you!
@@potatomanure3773 Thanks! It's been a long road but am doing well! I've been able to start driving again, yay!
Hope you are doing fine David , May you live a long and healthy life with full of happiness❤
@@waniaayub7239 Thanks, all things considered I'm doing well!
@Lisa Marie I don't remember a lot about that day before I was in hospital, so I'm not sure. My coworkers noticed me not acting right. They took me to an urgent care where my systolic BP was in low 200s. Wound up in hospital er and thus my journey began.
its perfect! the most improtant in it ! Thank you
thank you I have just learned what is going on with me after my MRI
I’m an RN, and I work on what most would call a Rapid Response Team. Among our capabilities, our facility is designated a comprehensive stroke center. Imaging like this is indispensable in the diagnosis and management of stroke.
For my mother they are confirming their suspicion of stroke. This video is great to know what the Neusurgeon will be explaining. Thank you!!
I had ischemic stroke two days ago, I didn't understand what they were telling me until I saw this video. Thanks for sharing!
OMG!! I LOVE YOUUU
God bless you man ! :)
This was useful man. Nice work
thanks.great video!
good simple explanation but I would also explain as to why or how the scan picks up that dye for example or make it into another video; how MRI angiography works (though that is more physics related) it all adds to the marks and better understanding of a topic to all people interested in these kind of topics.
Hiii! I am a physical therapist and recently took the NPTE here in the US, and Thank God I passed!!! I really would like to thank you for sharing this easy-to-learn video to all of us. You have been such a blessing especially with this topic. Thank you!!❤
Outstanding job.
Well explained💯
Really very helpful 👍
So helpful for us who are on these fields. Including me
thaank you sir
This was best explanation thnku❤
great job well done
Amazing video! I'm 28 and just had a stroke in feb and it was awesome to see this. Thank you.
Elena Colon What type of stroke did you have? How are you doing now? I'm glad you're still with us!
I am also 28 year old,when i got a stroke i had a stroke 2.5 years ago. And I also had an operation. I am still peralized from the left side. Can i have any cure?
@@pawanyadav1684 Hi paw, how are u doing now, I am glad you survived from the stroke. The medical abilities to deal with stroke complications are limited,unfortunately. However, there is a quite good advantage from physiotherapy. Hope you get better soon.
Wot a great basic cranial imaging lecture! I wish it could have explained hyper/hypo intensity and hypo/hyperdensity in stroke MRIs and CTs respectively tho, especially since you talk a lot about ischemia anyway
This has helped me alot
Hai sir
Please update videos about advanced imaging techniques
9:07 not flair MRI ,its T2WI fs
Thanks
very good video, thank you!!💪
Can u do a video about how the CT scanner works
Awesome video. Great analysis
great work
❤❤❤
Great Great man😊
Thank you
Great video
Dude thank you so much for all this information had a ct done 5 days after waking up with left pinky and ring finger numb and toung all dry quickly got moist and regained my finger feeling 1 min after waking up but had a head ache waited about 5 days then got CT and everything looks good
Do you think after 5 days a CT scan would pick up damage
@@MrJaimerr09 depends on what kind of stroke/TIA you may or may not have had
I got a non-contrasted craneum MRI done recently. They observed a few “hyperintense pinpoint foci” (that's how Google Translated it from Spanish, “focos puntiformes hiperintensos) in my brain. What does it mean? Is my brain damaged?
They also found that the A1 artery has less caliber and dominance than the other one at the other side of the brain or something like that.
I'm worried that my brain may not be receiving enough blood flow from a time when I fell asleep in an uncomfortable position, more than a month ago, and my head was pressed forward by the sofa's cushion. I hurt my neck and haven't stopped feeling varying sensations of numbness and occassional, localized, sharp, transient but not so strong pain on my head. I also felt tingling for many days and two times I woke up feeling dizzy. 3 or 4 times I confused the day of the week. I've also been feeling tired but in a strange way, almost dizzy but not quite.
! I'm pressing like before i see the video every time, because i knew that you are great
+Ramus me
me tooo
Great video presentation up to last image at the end, which you describe as an AXL FLAIR image. It is, in fact, an AXL T2 Fat Sat image. 🤔
genius ! I've never been able to understand radiology until today T_T
thank u thank u thank u
It's been 8 years! How are you?
haha, you're so right about dr.house and MRI scans!
I wouldn't reduce a FLAIR sequence to: "a picture where computer software has removed all the CSF". The imaging parameters are in fact changed in order to obtain the fluid suppression that you would see in a FLAIR. A FLAIR, or any other MRI sequence for that matter, is a separate scan in the MRI examination - and not a reconstruction. Also, the MRI-image displayed here seems to be a regular T2-weighted image, not a FLAIR.
That last Mri scAN image is T2, n not Flair
You are right.this is T2 w sequence.i think it should be replaced by FLAIR sequence.
Should i order ct with or without contrast ?
Plz answer
Cuz it differs in both haemorrhagic or ischemic stroke..
I thought that contrast immediately determines a hemorrhagic stroke while a typical CT it can take the hours you mention.
los amo desde que empece esta carrera llamada tortura
I had three small stroke clots deep in brain. Dont know if this means one stroke. They used contrast dye on an. Mri. I was there for an hour. After I had electric current sensations and weird sensations for two years afterwards. My gp didn't seem bothered. It was very scary though for me. I am on clot meds etc. I still cannot do full on exercise or I feel scarily strange later in the day. I think it was stroke not toa as it had after affects.
The last image seems not a FLAIR image. It’s a fast spin-echo T2 image.
exactly, this guy has obviously never written cMRI reports
From your 👆
Thanks to study
Why does he sounds like Stefan Salvator 😍
Anyways, very helpful 🤗
This video is accurate except the last image is a axial T2 image. Flair images would represent fluid completely dark or null.
DR IT IS DETECTABLE SOME LITE WORKING OF THHE BRAIN WIYH MRI ?
nice
Dear have a correction plz. Last image in T2 weighted not the flare.
I experienced an stroke last May and the Doctors said it was massive,the stroke was located on my right ,effecting my left side ...there was weakness but not to the extent of the stroke...I'm very fortunate...
Bless your heart Hope you are doing better and continue to heal 🙏🏾
Lesão Supe-Intensa em T-2 & Flair é NADA>>>
hey the first CT says normal but wouldn't you call that effacement of the sulci? thanks for posting!
I possibly had a stroke months ago. Just getting diagnosed. Doctors is waiting several days to get me a mri. Wondering if that's soon enough.
but the ventricles are clearly not symmetrical on the first picture you showed, is that normal?
Can a ct scan show a stroke 2 days after I had a ct done yesterday and showed nothing and ekg was good as well as bloodwork.
Nice sir..but volume is very low... Need to use headset..
What are prevention test?
7:15 mri
lf the patient presented with stroke +history of IHD +elevated blood pressure 165 on 115
what medication I should give?
alteplase if it's within 4 hours of symptom onset. can do clot retrieval surgically as well if in adequate time.
Please don't ask the internet these questions...
Thank you so much for a clear understanding of MRI. My question is..what does AX T2 GRE(BLEED) mean? With contrast
Last image is T2 image of brain.
9:20 is
not
flair ,its a T2WI
I just had a TIA, but nothing came up on the CT scan, very interesting. I am assuming going forward I need to be careful but not too scared since the scan was clean.....what do you think ?
Tia means you may within the next 5 years have a major stroke if you dont manage your blood pressure and cholesterol and diet
What about TIA's?
They couldn't use an MRI Scan on Me, as I have early Metal fillings.
Hi i had c section emergency 2months ago,i dodnt feel baby move for 48 hours until i went to hoapital baby still in nicu facing a lot of difficulties and has brain bleeding on brain and on front wenticlues an cysts that dint go away
Dear sir. At the end of video you have showed MRI image with the heading of FLAIR sequence . Respected sir ,it is not FLAIR sequence.it is simple T2 w sequence. Please correct it and delete last image with proper FLAIR sequence..thanks.
Prof Dr Khalid Farooq.
Does it tell the person. IQ is ?
Do they know how to diagnose.
I had a iscemic stroke 2.5 years ago. And I also had an creniotomy operation. I am still peralized from the left side. Can i have a cure
You can improve! Just keep working at it!
I guess it does take different strokes to move the world.
That last Mri scan image is T2, n not Flair
Dr.House is a MRI fan
You made a mistake, the last sequence is not a FLAIR, but a T2 image.
Also, a FLAIR has nothing to do with computer software. That information is wrong.
The scanner uses a inversion pulse to saturate fluids, that's why it's called Fluid Attenuation Inversion Recovery.
The last mri image looks more like a T2 than a Flair. 😉
Flair is also a T2 technique. It just has better visuals if you want to check the csf status.
Does a CT scan detect a blood clot ???
Can we find brain blood clot in plain CT scan
I think I’m having TIAs and I’ve gotten CT scan and I’m getting blown off but I swear to god something is wrong with me and no one is helping me even though my arms and legs are going numb and I’m passing out at times
my mom has her voice and right arm not working is this stroke shit curable
Can i send You my mri please?
The supposed Flair is a T2! Please correct!
I love House but it doesn't make much sense how a nephrologist/infectious disease specialist can interpret MRIs and CT scans as well as a radiologist. It's also not the doctors who operate the imaging equipment. It's the radiologic technologists who operate them.
3rd clue
8:57 It's T2 weighted. not FLAIR
No it's FLAIR
That's definitely a T2... 😅
Yes, definitely a T2
@@abhisek241288 A FLAIR is a fluid attenuated image, so CSF would be dark. This is not a FLAIR, but a regular T2 image
@@KayIgwe i stand corrected, i saw the basal ganglia and thought it as lateral ventricle.
I have another spesific query as below: If patient suffer from stroke and below are the reports -
A. Below is the CT scan report on the day of stroke.
EXAMINATION :
C.T.BRAIN.
Serial axial contiguous 5 & 10 mm sections were obtained from base of skull to vertex ;as plain study.
The cerebral parenchyma shows normal grey & white matter differentiation.
A well defined hypodense area is seen in the right paraventricular region.
There is no shift of mid-line structures. The ventricular system, basal cisterns, sylvian fissures, and the sulcal C.S.F. spaces do not reveal any abnormality.
IMPRESSION : WELL DEFINED HYPODENSE AREA IN THE RIGHT PARAVENTRICULAR REGION IS MOSTLY DUE TO AN INFARCT.
B) Below is the report of MRI on 5th day of hospitalization.
MRI OF THE BRAIN
LIMITED STUDY FOR STROKE
REPORT:
A LIMITED STUDY [FLAIR AND DIFFUSIONĮ WAS PERFOMED FOR SCREENING OF STROKE.
The cerebellar hemispheres and vermis are normal.
The brainstem is normal.
The basal cisterns are prominent.
There is a welldefined altered signal intensity area (hyperintense on Diffusion, Flair and hypointense on T1W images.) in the right insular cortex-basal ganglia- white matter in the posterior parietal periventricular region causing partial effacement of adjacent cerebral sulci..
The third, fourth and both lateral ventricles are normal in size.
The thalamic-basal ganglia regions are normal.
There is widening of rest of the cerebral sulci.
The eye-balls and optic nerves appear normal.
IMPRESSION: MR STUDY REVEALS A WELL-DEFINED ACUTE INFARCT INVOLVING THE RIGHT INSULAR CORTEX-BASAL GANGLIA - WHITE MATTER IN THE POSTERIOR PARIETAL/ PERIVENTRICULAR REGION CAUSING PARTIAL EFFACEMENT OF ADJACENT CEREBRAL SULCI.
GENERALIZED CEREBRAL ATROPHY-CONSISTENT WITH AGE.
C) Query is that, please check whether this condition fall in any of below term
1 Stroke Resulting In Permanent Symptoms
Any cerebrovascular incident producing permanent neurological sequelae. This includes infarction of brain tissue, thrombosis in an intracranial vessel, hemorrhage and embolization from an extra cranial source Diagnosis has to be confirmed by a specialist medical practitioner and evidenced by typical clinical symptoms as well as typical
findings in CT Scan or MRI of the brain. Evidence of permanent neurological deficit lasting for at least 3 months has to be produced.
The following are excluded:
• Transient ischemic attacks (TIA)
• Traumatic injury of the brain
• Vascular disease affecting only the eye or optic nerve or vestibular
functions.
2. Permanent Paralysis Of Limbs
Total and irreversible loss of use of two or more limbs as a result of injury or disease of the brain or spinal cord. A specialist medical practitioner
must be of the opinion that the paralysis shall be permanent with no scope of recovery and must be present for more than
Please revert, in this senario does patient is eligible for claim under Cr.illness policy or not.
the brain looks like an angry face
I am a doctor, first thing drug test then blame the patient then bill. 10000000 percent recovery in a week to 60 years...India!!!!
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you lost me when you said that is the left side
Heant writing bad
you sound like walter whites kid
WHAT ABOUT. WHITE. MATTER.
MY PAPPY DIED FROM A STROKE RIGHT AFTER HE HAD A SURGERY TO SAVE HIS LIFE... FUCKING TYPICAL SHIT.... His brain swelled up till it made him brain dead and then he couldnt breathe anymore😭we buried him yesterday