Diagnosing strokes with imaging CT, MRI, and Angiography | NCLEX-RN | Khan Academy

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khanacademymedicine

khanacademymedicine

9 жыл бұрын

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Пікірлер: 149
@ecustoms8617
@ecustoms8617 3 жыл бұрын
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
@maureenroy9867
@maureenroy9867 11 ай бұрын
q4e211¹q7i87q0i99iikkkkkkkk
@StatusKingyt
@StatusKingyt 4 ай бұрын
one of my uncle is having same problem right now
@muniraabujafer547
@muniraabujafer547 2 ай бұрын
😊😊😊😊😊😊😊
@leslovesliberty1776
@leslovesliberty1776 Ай бұрын
I am also a stroke survivor, so glad you're doing OK! 🙏
@schwisow9688
@schwisow9688 Жыл бұрын
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.
@rawdonwaller
@rawdonwaller 8 жыл бұрын
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.
@MagManTR09
@MagManTR09 3 жыл бұрын
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.
@samuraisoul2
@samuraisoul2 7 жыл бұрын
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!
@potatomanure3773
@potatomanure3773 3 жыл бұрын
Hey man hope your doing better. All my best wishes to you!
@samuraisoul2
@samuraisoul2 3 жыл бұрын
@@potatomanure3773 Thanks! It's been a long road but am doing well! I've been able to start driving again, yay!
@waniaayub7239
@waniaayub7239 2 жыл бұрын
Hope you are doing fine David , May you live a long and healthy life with full of happiness❤
@samuraisoul2
@samuraisoul2 2 жыл бұрын
@@waniaayub7239 Thanks, all things considered I'm doing well!
@samuraisoul2
@samuraisoul2 2 жыл бұрын
@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.
@Antonios2001
@Antonios2001 7 жыл бұрын
Amazing! I am so thankful for sharing your expertise and knowledge
@michaelnguyen7729
@michaelnguyen7729 8 жыл бұрын
Best explanation so far on youtube. Thank you!
@mikem6176
@mikem6176 Жыл бұрын
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.
@cadoo5591
@cadoo5591 2 жыл бұрын
I had ischemic stroke two days ago, I didn't understand what they were telling me until I saw this video. Thanks for sharing!
@doloresmex12
@doloresmex12 2 жыл бұрын
For my mother they are confirming their suspicion of stroke. This video is great to know what the Neusurgeon will be explaining. Thank you!!
@Marlencheeen
@Marlencheeen 5 жыл бұрын
its perfect! the most improtant in it ! Thank you
@aaronrenmd6324
@aaronrenmd6324 4 жыл бұрын
9:07 not flair MRI ,its T2WI fs
@butterlust1
@butterlust1 7 жыл бұрын
thanks.great video!
@chrispolen2712
@chrispolen2712 Жыл бұрын
Outstanding job.
@mongmongbambam8740
@mongmongbambam8740 6 жыл бұрын
OMG!! I LOVE YOUUU
@tinkageorgewilliam871
@tinkageorgewilliam871 6 жыл бұрын
This was useful man. Nice work
@kiransawant6802
@kiransawant6802 4 жыл бұрын
God bless you man ! :)
@nainasheikh9683
@nainasheikh9683 5 жыл бұрын
great work
@jeneenellis9803
@jeneenellis9803 8 жыл бұрын
thank you I have just learned what is going on with me after my MRI
@niteshgola8353
@niteshgola8353 6 жыл бұрын
Thanks
@zas881
@zas881 3 жыл бұрын
great job well done
@LittleCutieABDL
@LittleCutieABDL 4 жыл бұрын
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.
@walkingsneese3431
@walkingsneese3431 6 жыл бұрын
Great video
@user-dq4gl1vt9f
@user-dq4gl1vt9f 8 жыл бұрын
thaank you sir
@drsagarsathvara4238
@drsagarsathvara4238 3 жыл бұрын
Really very helpful 👍
@catr14
@catr14 5 жыл бұрын
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!!❤
@camrank3334
@camrank3334 2 жыл бұрын
Well explained💯
@elizabethorishaba7373
@elizabethorishaba7373 11 ай бұрын
This has helped me alot
@ronaltherai
@ronaltherai 5 жыл бұрын
So helpful for us who are on these fields. Including me
@Anelej96
@Anelej96 Жыл бұрын
very good video, thank you!!💪
@Billy65438
@Billy65438 Жыл бұрын
Thank you
@preshayyrehman1071
@preshayyrehman1071 Жыл бұрын
This was best explanation thnku❤
@elenacolon2518
@elenacolon2518 9 жыл бұрын
Amazing video! I'm 28 and just had a stroke in feb and it was awesome to see this. Thank you.
@scottjayson72
@scottjayson72 7 жыл бұрын
Elena Colon What type of stroke did you have? How are you doing now? I'm glad you're still with us!
@pawanyadav1684
@pawanyadav1684 4 жыл бұрын
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?
@n_92alharbi71
@n_92alharbi71 3 жыл бұрын
@@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.
@halodregs
@halodregs 3 жыл бұрын
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
@cade8986
@cade8986 3 жыл бұрын
Awesome video. Great analysis
@serah2enrique
@serah2enrique 8 жыл бұрын
haha, you're so right about dr.house and MRI scans!
@mathiasfigenschau9733
@mathiasfigenschau9733 3 жыл бұрын
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.
@shankaranandhramachandran2689
@shankaranandhramachandran2689 Жыл бұрын
That last Mri scAN image is T2, n not Flair
@KhalidFarooq786
@KhalidFarooq786 Жыл бұрын
You are right.this is T2 w sequence.i think it should be replaced by FLAIR sequence.
@ugilesh
@ugilesh 5 жыл бұрын
Hai sir Please update videos about advanced imaging techniques
@MadChef101
@MadChef101 2 жыл бұрын
❤❤❤ Great Great man😊
@hottiecougar40
@hottiecougar40 8 жыл бұрын
nice
@verjiniyaprabodhi9579
@verjiniyaprabodhi9579 4 жыл бұрын
Can u do a video about how the CT scanner works
@mariasolneselis3441
@mariasolneselis3441 4 жыл бұрын
los amo desde que empece esta carrera llamada tortura
@MrJaimerr09
@MrJaimerr09 5 жыл бұрын
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
@MrJaimerr09
@MrJaimerr09 5 жыл бұрын
Do you think after 5 days a CT scan would pick up damage
@nash-p
@nash-p 2 жыл бұрын
@@MrJaimerr09 depends on what kind of stroke/TIA you may or may not have had
@mehzaibanwar1158
@mehzaibanwar1158 Ай бұрын
thaaaank you
@godalwaysgoodtous.8055
@godalwaysgoodtous.8055 2 жыл бұрын
Thanks to study
@fengfeng8994
@fengfeng8994 5 жыл бұрын
The last image seems not a FLAIR image. It’s a fast spin-echo T2 image.
@MALKton
@MALKton 5 жыл бұрын
exactly, this guy has obviously never written cMRI reports
@pazhanivelsheela6948
@pazhanivelsheela6948 3 жыл бұрын
From your 👆
@vigneshpk1875
@vigneshpk1875 3 жыл бұрын
Last image is T2 image of brain.
@alcirvogel8672
@alcirvogel8672 3 жыл бұрын
Lesão Supe-Intensa em T-2 & Flair é NADA>>>
@ramusme6070
@ramusme6070 8 жыл бұрын
! I'm pressing like before i see the video every time, because i knew that you are great
@17ReeM17
@17ReeM17 8 жыл бұрын
+Ramus me me tooo
@17ReeM17
@17ReeM17 8 жыл бұрын
genius ! I've never been able to understand radiology until today T_T thank u thank u thank u
@krishnaprasad4919
@krishnaprasad4919 Ай бұрын
It's been 8 years! How are you?
@michaelsteele833
@michaelsteele833 Жыл бұрын
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. 🤔
@sm2049
@sm2049 7 жыл бұрын
I thought that contrast immediately determines a hemorrhagic stroke while a typical CT it can take the hours you mention.
@maryammangi432
@maryammangi432 4 жыл бұрын
Why does he sounds like Stefan Salvator 😍 Anyways, very helpful 🤗
@peacefult7734
@peacefult7734 4 жыл бұрын
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...
@lelenkeke
@lelenkeke 3 жыл бұрын
Bless your heart Hope you are doing better and continue to heal 🙏🏾
@ericedwardsjr3459
@ericedwardsjr3459 3 жыл бұрын
This video is accurate except the last image is a axial T2 image. Flair images would represent fluid completely dark or null.
@thales5999
@thales5999 3 жыл бұрын
Dear have a correction plz. Last image in T2 weighted not the flare.
@bobcocampo
@bobcocampo 2 жыл бұрын
What are prevention test?
@apostletobe
@apostletobe 4 жыл бұрын
7:15 mri
@ginamonzillo4843
@ginamonzillo4843 5 жыл бұрын
What about TIA's?
@kazbaz8645
@kazbaz8645 4 жыл бұрын
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.
@marcojouve8448
@marcojouve8448 4 жыл бұрын
DR IT IS DETECTABLE SOME LITE WORKING OF THHE BRAIN WIYH MRI ?
@satyarupdas
@satyarupdas 8 жыл бұрын
Dr.House is a MRI fan
@melodykleeman9388
@melodykleeman9388 Жыл бұрын
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.
@michelvandijk2745
@michelvandijk2745 Жыл бұрын
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.
@KhalidFarooq786
@KhalidFarooq786 Жыл бұрын
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.
@chmith27
@chmith27 7 жыл бұрын
hey the first CT says normal but wouldn't you call that effacement of the sulci? thanks for posting!
@bhuvanasri9975
@bhuvanasri9975 3 жыл бұрын
Nice sir..but volume is very low... Need to use headset..
@aaronrenmd6324
@aaronrenmd6324 4 жыл бұрын
9:20 is not flair ,its a T2WI
@tarek6359
@tarek6359 2 жыл бұрын
but the ventricles are clearly not symmetrical on the first picture you showed, is that normal?
@saharahmed348
@saharahmed348 Жыл бұрын
Should i order ct with or without contrast ? Plz answer Cuz it differs in both haemorrhagic or ischemic stroke..
@arvaneret_329
@arvaneret_329 9 ай бұрын
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.
@Ninja_Drummer
@Ninja_Drummer Жыл бұрын
I guess it does take different strokes to move the world.
@charles2675
@charles2675 Жыл бұрын
Does it tell the person. IQ is ?
@lauralaplace9945
@lauralaplace9945 4 ай бұрын
Do they know how to diagnose.
@12mannation253
@12mannation253 Жыл бұрын
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.
@lovesdogs8616
@lovesdogs8616 3 жыл бұрын
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 ?
@patchys8569
@patchys8569 3 жыл бұрын
Tia means you may within the next 5 years have a major stroke if you dont manage your blood pressure and cholesterol and diet
@bryanlahusky4478
@bryanlahusky4478 11 ай бұрын
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
@eltiarribero
@eltiarribero 4 жыл бұрын
The last mri image looks more like a T2 than a Flair. 😉
@eloisety1392
@eloisety1392 3 жыл бұрын
Flair is also a T2 technique. It just has better visuals if you want to check the csf status.
@shankaranandhramachandran2689
@shankaranandhramachandran2689 Жыл бұрын
That last Mri scan image is T2, n not Flair
@learning-and-fun
@learning-and-fun 3 жыл бұрын
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
@giftboutiq
@giftboutiq 5 жыл бұрын
Thank you so much for a clear understanding of MRI. My question is..what does AX T2 GRE(BLEED) mean? With contrast
@rula7340
@rula7340 8 жыл бұрын
lf the patient presented with stroke +history of IHD +elevated blood pressure 165 on 115 what medication I should give?
@SarahTamaraTayl
@SarahTamaraTayl 6 жыл бұрын
alteplase if it's within 4 hours of symptom onset. can do clot retrieval surgically as well if in adequate time.
@nursemommyof2
@nursemommyof2 3 жыл бұрын
Please don't ask the internet these questions...
@LaserdiffusersINT
@LaserdiffusersINT Жыл бұрын
They couldn't use an MRI Scan on Me, as I have early Metal fillings.
@BruceWayne-us3kw
@BruceWayne-us3kw Жыл бұрын
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.
@sonuchauhan9165
@sonuchauhan9165 Жыл бұрын
Can we find brain blood clot in plain CT scan
@ladawandumw.8769
@ladawandumw.8769 8 жыл бұрын
8:57 It's T2 weighted. not FLAIR
@abhisek241288
@abhisek241288 5 жыл бұрын
No it's FLAIR
@heathersimon90
@heathersimon90 5 жыл бұрын
That's definitely a T2... 😅
@raphes7
@raphes7 5 жыл бұрын
Yes, definitely a T2
@KayIgwe
@KayIgwe 5 жыл бұрын
@@abhisek241288 A FLAIR is a fluid attenuated image, so CSF would be dark. This is not a FLAIR, but a regular T2 image
@abhisek241288
@abhisek241288 5 жыл бұрын
@@KayIgwe i stand corrected, i saw the basal ganglia and thought it as lateral ventricle.
@MetalCanisLupus
@MetalCanisLupus 2 жыл бұрын
Does a CT scan detect a blood clot ???
@pawanyadav1684
@pawanyadav1684 4 жыл бұрын
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
@gypsychik
@gypsychik 3 жыл бұрын
You can improve! Just keep working at it!
@kpriftis
@kpriftis Жыл бұрын
The supposed Flair is a T2! Please correct!
@sachinjadhav2694
@sachinjadhav2694 3 жыл бұрын
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.
@hayouni6042
@hayouni6042 4 жыл бұрын
3rd clue
@KL-Metakatazuka
@KL-Metakatazuka Жыл бұрын
my mom has her voice and right arm not working is this stroke shit curable
@andrehunt5288
@andrehunt5288 6 жыл бұрын
the brain looks like an angry face
@dortevrgdth5401
@dortevrgdth5401 4 жыл бұрын
Can i send You my mri please?
@elinoreberkley1643
@elinoreberkley1643 2 жыл бұрын
I am a doctor, first thing drug test then blame the patient then bill. 10000000 percent recovery in a week to 60 years...India!!!!
@SeoYass
@SeoYass 6 жыл бұрын
solutions-health.com - Health, Problems, Solutions, Tools, News - health solutions is a website for coping with many serious health problems, you can really get tuned now. So, get the most out of your health and your life!
@RealityLabsX
@RealityLabsX 4 жыл бұрын
you lost me when you said that is the left side
@balajibalaji-ph6yl
@balajibalaji-ph6yl 4 жыл бұрын
Heant writing bad
@rastafarai3712
@rastafarai3712 6 жыл бұрын
you sound like walter whites kid
@charles2675
@charles2675 Жыл бұрын
WHAT ABOUT. WHITE. MATTER.
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