22 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... • Radial Nerve ... sarahthelyon #Upper #Extremity ... diagnosis #Neuropathy #anatomy ... #innervation #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... nerve in the radial ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... infection which causes ... Deepak Gupta #Adies ... ophthalmology #neurology ... #syndrome
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Holmes-Adie Syndrome ... dissociation • Other causes ... @neudrawlogy #Adies ... #neurology #ophthalmology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
artery aneurysms Nerve ... Spinal stenosis/nerve ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... sleeping as in this case ... #orthopedics #msk ... #sports #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... Guillain-Barre syndrome ... differential #diagnosis #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... ) Where: Optic nerve ... * (main cause), ... neuritis due to MS ... #Defect #RAPD #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Consciousness • Cranial Nerve ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology