11 results
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... paralysis of all extremity ... axonal form • MRI ... roots and cauda equina ... #Syndrome #diagnosis
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 ... - Emergency Causes ... cord • Guillain-Barre ... Imaging studies: • MRI ... #diagnosis #causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda Equina ... Syndrome - Low ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... paralysis of all extremity ... roots and cauda equina ... #Syndrome #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Tinel's Test for Tarsal Tunnel Syndrome

Perform a Tinel's over the tarsal tunnel, attempting to reproduce pain,
numbness, or tingling caused ... Video via @open_michigan ... #ankle #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... Herpes zoster - HIV ... #lower #extremity ... #msk #physicalexam
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... The MRI findings ... fissure and optic canal ... HZO #clinical #video ... ophthalmology #physicalexam
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... Labyrinthitis ○ Epstein-Barr ... #Differential #Diagnosis
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
the follow up video ... MRI was ordered ... the hospital, diagnosed ... #PhysicalExam # ... clinical #video