12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Motor Function ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential ... (Contralateral motor ... contralateral extremity ... Unilateral Spinal Cord ... #Hemiplegia #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... sensory disturbance ... Commonly caused ... Myotomes #diagnosis #neurology ... #sensory #motor
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... intrinsic motor ... and no sensory ... finger through the Ulnar ... #diagnosis #neurology
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
Spinal Cord Injury ... Levels Spinal Root Sensory ... Motor Reflex C4 ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... the wrist and elbow ... the posterior cord ... The first motor ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Causes: 1. ... , lower extremity ... disorders #diagnosis #neurology ... #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Weakness - Lower motor ... lesion - Upper motor ... at the level of sensory ... syndromes #lesions #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
/or genital sensory ... - Emergency Causes ... weakness and sensory ... #diagnosis #causes ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
onset of weakness, sensory ... , motor, or autonomic ... • Infectious causes ... diagnosis #management #neurology ... #differential