10 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • ... Commonly caused ... #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... anesthesia and deltoid weakness ... #diagnosis #neurology ... #arm #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 ... cord infarct • HIV ... weakness and sensory ... axial T1 and T2 Treatment ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... syphilis, and HIV ... - Lower motor ... differential #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Causes: 1 ... , HIV, CMV, HTLV ... dysfunction • Abnormal reflexes ... , lower extremity ... disorders #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Campylobacter jejuni - HIV ... paralysis of all extremity ... Decreased / Absent Reflexes ... of intrathecal spinal ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... , lower extremity ... Increased Jaw Jerk reflex ... diagnosis column Treatment ... Lateral #Sclerosis #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
immunodeficiency virus (HIV ... depressed deep tendon reflexes ... paralysis of all extremity ... and cauda equina TREATMENT ... diagnosis #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Spasticity - Reflexes ... : • Sensory, motor ... • Infectious causes ... simplex virus, HIV ... diagnosis #management #neurology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
, indicating a peripheral ... MRI brain and C-spine ... imaging after treatment ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology