21 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Dermatomes and Myotomes ... #UpperLimb #Extremity ... #diagnosis #neurology ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... #diagnosis #neurology ... sensory #motor #leg #physicalexam
Cauda Equina Syndrome Overview

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

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... cyanosis - Cool extremity ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis ... #ocular
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
and neutrophilic dermatoses ... to large lower-extremity ... joints Diagnosis ... Rule out other causes ... sites such as the collar
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Ocular Adverse Effects ... • Sjögren’s syndrome ... #ophthalmology ... #causes
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... consistent with a diagnosis ... experience, the cause ... clinical #video #ophthalmology ... #physicalexam #
Mucus Fishing Syndrome (MFS) on Ocular Exam

Mucus fishing syndrome is a condition in which you repeatedly
Mucus Fishing Syndrome ... (MFS) on Ocular ... eye problems can cause ... #MFS #Ocular #PhysicalExam ... clinical #video #ophthalmology