12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
(UMN) lesions are ... the differential diagnosis ... UMN lesions are ... positive Babinski reflex ... cord, peripheral nerve
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... , lower extremity ... Increased Jaw Jerk reflex ... activity between nerve ... Lateral #Sclerosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Conditions: • Cauda ... Commonly caused ... damage to peroneal nerve ... #neurology #sensory
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 ... Differential Diagnosis ... #differential #diagnosis ... #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... threat Cranial Nerves ... Casey Albin MD @ ... #PhysicalExam #neurology ... #comatose #diagnosis
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Lower roots -> Cauda ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... #neurology #differential
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... Lesions of Cranial Nerves ... hyperactive gag reflex ... Disorder Extra-Pyramidal ... #Dysarthria #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... Can begin in arms ... Decreased / Absent Reflexes ... roots and cauda ... management #treatment #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... lesion - Upper motor ... involvement Cauda ... #differential #diagnosis ... #neurology