16 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... " ± Horner Syndrome ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... sensory #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
• Iliotibial band ... cyanosis - Cool extremity ... Hair loss- feet and ... diagnosis #lower #extremity ... #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... damage to peroneal nerve ... sensory #motor #leg #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Consciousness • Cranial Nerve ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... sleeping as in this case ... #Palsy #PhysicalExam ... #orthopedics #msk ... #sports #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... Orbital Apex Syndrome ... ophthalmology #physicalexam ... #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... clinical #video #neurology ... #physicalexam # ... msk #orthopedics ... #sports #hand
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... or absent lower extremity ... differential #diagnosis #causes ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... Paresthesias: Hands ... • Pain: Due to nerve ... management #treatment #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... middle finger. 2) Ask ... patient to relax the hand ... #PhysicalExam