13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Carpal Tunnel Syndrome ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports ... #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... : • Attacks: Gradual ... with vascular causes ... positional episodes caused ... #differential #diagnosis
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... - Ramsay Hunt syndrome ... vision or black spots ... external ear and ear canal ... #differential #diagnosis
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
referred in for facial ... consistent with a diagnosis ... experience, the cause ... ophthalmology #physicalexam ... #neurology #Anisocoria
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 ... MRI- Sagittal, axial ... #causes #neurology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
and neutrophilic dermatoses ... anterior chest wall, parts ... of the axial skeleton-sacroiliac ... Rule out other causes ... #Rheumatology #
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... tympanic membrane • Neurologic ... II ○ Susac’s syndrome ... #Differential #Diagnosis
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... • Weakness: Starts ... Guillain-Barre Diagnosis ... #diagnosis #management ... #treatment #neurology