11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... aracteristic "claw hand ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... hemorrhage, which are ... blood test • Serology ... Skin biopsy • Abdominal ... ultrasound #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
are present in ... 15% of cases and ... Demyelinating disease caused ... of the abducens nerve ... InfectiousDiseases #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 ... response preceding infection ... Can begin in arms ... Absent Reflexes: Arms ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... to a preceding infection ... with peripheral nerve ... of peripheral nerve ... diagnosis #management #neurology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
soles in 50% of cases ... to asymptomatic infection ... have positive serology ... sensory nerve roots ... -Gumma are ulcerating
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... extensors of the arms ... causes need to ... /or optic nerve ... diagnosis #management #neurology
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 ... epidural hematoma • infections ... toon • Spinal infection ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... Brain stem/Cranial nerve ... - Repetitive nerve ... precipitated by: Drugs, infection ... diagnosis #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
infections and ... affects the skin, neurologic ... muscle weakness • Nerves ... often causes arthritis ... gut involvement, abdominal