15 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... • Cauda Equina Syndrome ... Narrowing of spinal canal ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Ramsay Hunt Syndrome (Herpes zoster oticus) wit Facial Nerve Palsy
Triad: 
 - Ipsilateral facial paralysis
 -
Ramsay Hunt Syndrome ... vesicles in auditory canal ... clinical #video #neurology ... clinical #video #physicalexam ... #CN7 #CNVII
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Neutrophilic dermatosis ... capillary leak syndrome ... et diutinum Neurologic ... Subcorneal pustular dermatosis ... Hematology #Monoclonal #Differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... constipation Differential ... region (S2-S4 dermatomes ... #differential # ... diagnosis #causes #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Neurogenic Ptosis - Neurologic ... levator to the tarsal ... #Ptosis #neurology ... #Differential #
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Grasp Weakness in Carpal ... Tunnel Syndrome ... tunnel syndrome ... clinical #video #physicaleaxm ... #neurology #orthopedics
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
hoarseness; and CNXII ... the hypoglossal canal ... Fasciculations #PhysicalExam ... HypoglossalNerve #CNXII ... #CN12 #Neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... • Sciatica • Tarsal ... tunnel syndrome ... #Leg #pain #differential ... extremity #msk #physicalexam