10 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... None T7-T12 See Dermatomes ... Anterior Medial Thigh Hip ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... characteristic "waiter's tip ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... • Vestibulo-ocular ... caseyalbin #PhysicalExam ... #neurology #comatose
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 ... constipation Differential ... cord infarct • HIV ... region (S2-S4 dermatomes ... diagnosis #causes #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
• Weakness: Starts ... in legs and ascends ... Decreased / Absent Reflexes ... : Arms or legs ... management #treatment #neurology
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
examiner flexes the leg ... are unable to flex ... tightness, femoral nerve ... #physicalexam # ... #orthopedics #sports
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
examiner flexes the leg ... are unable to flex ... tightness, femoral nerve ... #physicalexam # ... #orthopedics #sports
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... of shoulder and hip ... affects the skin, neurologic ... muscle weakness • Nerves ... purpura (lower legs
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
flexors of the legs ... Spasticity - Reflexes ... brain and/or optic nerve ... diagnosis #management #neurology ... #differential