Lateral and Medullary Syndromes | Wallenberg Syndrome | PICA syndrome | Dejerine Syndrome

Hello friends. This video is about lateral and medial medullary syndromes. It covers basics and manifestations of each syndromes in detail. This topic is very important for every aspects of med school (clinical, theory, viva, entrance exams like NEET PG/ FMGE).
Do watch full video for proper understanding.
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[@ashutoshsharmash]

Very well explained.
Just something, I'd like to add to this is the Gates rule of 4 by Dr. Robert Gates.
The 1st rule is about cranial nerves.
So there are 4 cranial nerves in each brainstem structure.
CN 3 and 4 in the midbrain
CN 5,6,7,8 in the pons
CN 9,10,11, 12 in the medulla.
All multiples of 12 are in the midline, so CN 3, 4, 6 and 12 are midline, and they are also, by extension, the only pure motor cranial nerves.
Rule 2
All structures starting with M are in the Midline
And from posterior to anterior they are
MN- Motor nuclei- 3,4,6,12
MLF- Medial longitudinal fasiculus
ML- Medial Leminiscus
MP- Motor pathway
So any midline brainstem lesion, like medial medullary syndrome, will involve these structures.
MN- Ipsilateral Cranial nerve lesion
MLF- Ipsilateral INO- So inability to adduct ipsilateral eye and nystagmus in the the contralateral eye
ML- Contralateral loss of vibrio and proprioreception.
MN- Contralateral hemiplegia.
Rule 3
All structures starting with S are to the Side or lateral
And from posterior to anterior they are
Spinocerebellar tract
Spinothalamic tract
Sensory nucleus of 5th CN
Sympathetic neurons
The mnemonic is CTVS
So any lateral brainstem syndrome will involve
Spinocerebellar- contralateral ataxia
Spinothalamic-
Contralateral loss of pain and temperature
CN sensory nucleus
Ipsilateral loss of pain and temperature over face.
Sympathetic neurons
Ipsilateral Horners syndrome.
In addition, a lateral pontine lesion will involve- CN 5,7,8
A lateral medullary lesion will involve- CN 9,10,11
A lateral midbrain lesion will have no cranial nerve involvement.

[@عزالدينالشيخسليمان]

Very well explained, effective overview of neuroanatomy and clear explanation of the pathology and clinical findings, I like that you are mentioning the side of each abnormality.. thank you very much

[@drrameshkrishnanpmch10k]

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[@saugatpokhrel8436]

Yes we need IN. Opthalmoplegia video

[@Lickyapool]

Amazing!! Thank you. This was incredibly helpful!!

[@AKAzad-cd4jp]

Easy and well explained. Highly recommended

[@drrameshkrishnanpmch10k]

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[@jaypandya9661]

Simply clear. Superb.

[@laxmireddy7824]

Lots of love from India bro😍, thank you so much, crystal clear concept with awesome notes for recall 🙌

[@CrazyMedicine]

😊Glad you liked it.
Keep sharing. 😀

[@drrameshkrishnanpmch10k]

ua-cam.com/video/DLT1nRGQoNQ/v-deo.html

[@aurum6664]

@@CrazyMedicine hello sir so lateral medullary has no corticospinal tract?

[@palakburman2547]

Thank you so much for such easy explanations and easily retainable videos. 🙏🏼

[@drrameshkrishnanpmch10k]

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[@hassanes3360]

The only explanation of this topic that i understood

[@monikasangam967]

Thank u so much sir, i have understood every point much clearly ,i have always been in doubt to this topic.now all my fear related to this topic has gone. Thank u so much again

[@CrazyMedicine]

You are most welcome. Keep sharing.

[@demigodsrivats5027]

pro max teaching bhai…..❤️‍🔥❤️‍🔥❤️‍🔥❤️‍🔥❤️‍🔥❤️‍🔥

[@nush727]

This was absolutely amazing. Thank you so very much!

[@sarah8844]

best ever!!!!
thanks doc
🇵🇰

[@drrameshkrishnanpmch10k]

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[@jesin6171]

Can't thank you enough for this 💜

[@songheartzou7423]

讲得非常好!简明扼要，突出重点

[@rahipatel4037]

Internuclear ophthalmoplegia video needed

[@tejeshwarsingh9069]

Bro this was better than anything ive ever seen

[@adityaanurag4272]

Yes we need. Intranuclear opthalmoplegia

[@sameehailyas8524]

Simply superb 👌

[@drrameshkrishnanpmch10k]

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[@jatinderkumar5864]

Thanks a lot👏👏

[@rahipatel4037]

amazing sir

[@dr.liyahkhan6662]

Super helpful and conceptual now I don't have to memorize sign and symptoms individually

[@drrameshkrishnanpmch10k]

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[@fridaatallah8301]

You are the best 😍
Tons of thanks

[@drvinay_ambekar]

in Wallenberg syndrome m/c artery affected is Vertebral art > PICA

[@jishagpanicker8171]

Wonderfuly explained 👌🏼

[@drrameshkrishnanpmch10k]

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[@CryptoUniversity-u2g]

Awesome lecture thanks a lot 😍

[@Rajesh_Dushmantha]

Very well explained👏

[@sweetmishoo190]

Thank you very helpful

[@shamsunnahar3481]

It's very helpful.awesome.Thanks

[@Susmithasuraparaju]

Please do video on internuclear ophthalmoplegia

[@drrameshkrishnanpmch10k]

ua-cam.com/video/DLT1nRGQoNQ/v-deo.html

[@deepthagayanwelagedara912]

thanks

[@zahramohammedhamedalmahroo1548]

thank you soooooo much for this amazing video..love it

[@drrameshkrishnanpmch10k]

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[@rashakutbi]

thank you very much

[@arifmahmood452]

excellent explanation

[@drrameshkrishnanpmch10k]

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[@fridaatallah8301]

Yes please will be very thankful if u do INO video

[@angrant2014]

Thank you. Very well done -- I get it now. 🙂

[@vj7207]

Nicely explained...thank you

[@ashajsaleem3556]

Neatly explained. Thank you.

[@yugandharsajja297]

Very good Explanation👌👌👍🙏. Thank you.

[@zohakamran3173]

Extremely good video

[@hansiniwithana1904]

Wow. Nice explanation. Thank you❤

[@garimasinghprajapati2681]

Great.

[@fejirotalks]

such a good video thank you so much!

[@kovalchuk71]

@crazy medicine would you kindly create a video on medial and lateral pontine syndromes? I really enjoy your illustrations!!!

[@drrameshkrishnanpmch10k]

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[@dr.md.atiqurrahman4802]

Just awesome.....

[@ezhilmathia3790]

Nice explanation

[@natarajanmanickam5119]

Excellent

[@sudiptodebnath6579]

Great❤❤❤

[@anniemishra3351]

Best video

[@Mindful_resting]

Amazing video .

[@DR_HARIS_KHAN]

Beautiful work brother

[@yousramokhtari3251]

the best from Algeria thank you

[@tahiafaruk128]

awesome!

[@shahzaibihsan3259]

Thank you so much!

[@CrazyMedicine]

Glad it helped!

[@silentheart8329]

Very well explained 👍👍👍👍👍please upload also pontine syndrome also🙏

[@CrazyMedicine]

Sure I will.

[@silentheart8329]

@@CrazyMedicine thank you so much 💛💛💛💛

[@lyateddyo1535]

Thank you ☺️

[@laura3483]

thank you soooooo much

[@muditsharma1248]

Awsm

[@yoaimou9798]

Thanx man this is cool

[@shivangiRAINA]

thankyou very much sir !

[@CrazyMedicine]

Keep watching

[@seeliasaneesh5874]

Thank u doc

[@Iamsurvived]

Amazing!

[@mel3509]

Thank you!

[@rileyrice2908]

Thanks alot

[@messy_desk]

AMAZING WORKKKK

[@anwarhossein9658]

Excellent

[@CrazyMedicine]

Thanks

[@jyotikomal9398]

thank you for this video

[@himanshikaushik6599]

Thanks sir

[@hasanalmamun1774]

Thanks

[@omarbassam821]

amazing

[@plantae2431]

Thank uuuu❤❤❤

[@user-hq5gs8kg1b]

Thank youuuuuu

[@allahhuakbar7362]

Bestttt 🎉

[@aakarshmarthati197]

You are God sir❤️

[@dr.anooparyan007]

Why the tongue is deviated to same side of the lesion in medial medullary syndrome please explain sir
Thank you

[@jaypandya9661]

Bec contraction of one side of tongue makes tip of tongue to point or deviate opposite side normally. Paralysis of one side makes tongue contract to opposite side unabated hence is deviated to opposite side n same side appears as corrugated noodles.

[@iiztsii8312]

best Video broo 💯💯

[@alaskababy4235]

Wait...INO in medullary lesion?? Isnt it happening in lesions involving either midbrain and pons?? That got me confused

[@paediatricspotcases5220]

Ino if left side it is adduction of right eye not happened

[@AshishDhar-l3g]

Excellen

[@amanyelashry7400]

Thanks

[@himanshikaushik6599]

Make more videos 👍

[@drrameshkrishnanpmch10k]

ua-cam.com/video/DLT1nRGQoNQ/v-deo.html

[@themusicdoctor9557]

🙌

[@arunsharma3016]

Ant spinal artery post inf cerebellar art

[@ignitedmedical7415]

ty!

[@fatemefarhoudi2638]

Thank you for the great video!