10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #sensory #motor
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... threat Cranial Nerves ... Casey Albin MD @ ... #PhysicalExam #neurology
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
mutations - Down syndrome ... concentration • Motor ... seizure, primitive reflexes ... pathophysiology #geriatrics ... diagnosis #signs #symptoms
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Weakness - Lower motor ... neuron symptoms ... lesion - Upper motor ... neuron symptoms
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... Commonly caused ... damage to peroneal nerve ... #sensory #motor
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 ... spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... - Emergency Causes ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... Increased Jaw Jerk reflex ... fasciculations Common Symptoms ... activity between nerve ... Lateral #Sclerosis #neurology
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 ... depressed deep tendon reflexes ... than one after symptom ... diagnosis #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Spasticity - Reflexes ... : • Sensory, motor ... Bilateral signs and/or symptoms ... • Infectious causes ... brain and/or optic nerve
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... Sensory and/or motor ... muscle weakness • Nerves ... • Progressive symptoms ... tract, and often causes