@usmle_pearls: Imagine you’re checking out at the store and notice the cashier keeps tilting his head to the side every time you ask a question 🤨. Weird habit… or hidden diagnosis? 👀 This is one of those classic step-style scenarios where body language tells you more than words. Med students — what’s the underlying problem here? 🧠 Think you know the answer? Comment below ⬇️ and tag a friend who’s grinding for Step right now 📚🔥 ⸻ #MedSchool #USMLE #Step1 #Step2CK #Step3 #MedStudent #MedLife #MedTok #FutureMD #DoctorsOfInstagram #ClinicalPearls #ExamPrep #BoardPrep #MedEd #MedicalMeme #MedStudentHumor #ResidentLife #MedSchoolProblems #fyp #foryoupage #xyzbca #trending #viral #medfyp #studyfyp ⸻ Explanation: This is a CN IV (trochlear nerve) palsy. The superior oblique muscle depresses and intorts the eye. When it’s weak, patients experience vertical diplopia, especially when looking down (like reading or going downstairs). To compensate, they tilt their head away from the affected eye to realign vision. That’s why the cashier unconsciously tilts his head to the right — it helps fuse the images. • CN III palsy → ptosis, “down & out” eye, possible dilated pupil • CN VI palsy → impaired abduction • CN VII palsy → facial droop • CN VIII palsy → vertigo/hearing loss ⸻ Answer: D) CN IV (trochlear nerve) ✅

USMLE Pearls
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Sunday 24 August 2025 20:33:13 GMT
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rayyy.shelly
rayyshelllyy 🇵🇦 :
I’m a doctor and ts frying me 😭😭😭
2025-08-25 00:19:00
4808
austencallister
Austen Callister :
superior oblique deficit —> CN IV (?)
2025-08-24 21:01:14
268
nazz.g
NazG :
Chat what’s the answer
2025-08-25 05:28:44
72
moutain_goat
moutain_goat :
Why not 3
2025-08-24 21:57:52
6
cxl_rs
︎ ︎ ︎ ︎ ︎ ︎ ︎ :
dang... its uh... i think its uh.....
2025-08-25 12:28:50
2179
paballo_mofokeng21
Pabi_Mofokeng :
Is it cranial nerve IV (trochlear nerve)?
2025-08-25 17:11:50
16
bigmike4002
Tjackjesus :
idk, bros tryna hear better and option D is hearing related so i’ll say it’s D
2025-08-25 14:07:49
0
blakavelix
Nif :
He is not no damn 36🤣🤣🤣
2025-08-25 23:50:56
375
yoshoesragggedy
:
2025-08-25 19:20:18
90
bobbyj0hniscool
Bobby John :
It’s D, head tilt gives it away
2025-08-25 01:12:49
272
www.chanin.com
chanin :
top 10 accounts right now prob
2025-08-24 21:00:19
3741
zasedkante
zasedkante :
ISAAC REFERENCE
2025-08-25 16:01:46
3
fartblaster_69_
F A R T :
It could also be VIII. If there was a vestibular loss that was partially compensated it could cause double vision. Turning better ear towards the speaker to compensate for hearing loss and trying to better face them to “lip read”.
2025-08-26 05:13:00
0
uncledesawin
TwistedFrogger12 :
Not even remotely a med student but love these
2025-08-24 21:46:06
876
someone_90285
Birth Defect :
2025-08-26 01:54:08
83
abdel.osman
Abdel Osman891 :
D, superior oblique isn’t obliquing
2025-08-25 21:16:13
1
smolpulga
🍓 :
I need a nursing version of this account 😭 this is amazing lmaooo
2025-08-25 05:15:47
31
inimaman777
ini maman 777 :
why am i even reading comment bruh, ima comsci major
2025-08-26 06:30:04
5
sailboatgd
sailboat_gd :
A, C, and D can all have control over eye movement and visionary attributes, but I believe only the Abducens (CN VI) can control eye movements going left or right.
2025-08-25 21:21:19
2
lil_uzis_mom
Izzy :
I keep getting these right and I feel like megamind
2025-08-25 21:38:33
1
halliephelan
Hallie Phelan :
Ima go with….idk this one
2025-08-25 23:28:39
1
frosty_dn
千尺ㄖ丂ㄒㄚ :
He did NOT report that😭😭😭
2025-08-26 04:10:35
2
strebrx
Strebr :
@Grok
2025-08-25 19:12:53
0
ribeirao14
G :
"I'm looking for... huh... huh"
2025-08-25 23:23:58
12
mrrsv61
Mrrsv :
Im unemployed and ts frying me 😂😂😂😂🥀🥀🥀🙏🏻
2025-08-25 17:00:00
1
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