21 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... nerve in the radial ... Carpal Tunnel Syndrome ... axillary nerve ... Myotomes #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Consciousness • Cranial ... Nerve Palsies ... Brown-Sequard Syndrome ... #Causes
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... swollen elbow and forearm ... posterior interosseous nerve ... ), compartment syndrome ... Monteggia #Fracture #Forearm
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Neuronitis • Herpes ... • Semicircular canal ... dehiscence syndrome ... • Cogan's syndrome ... Differential #Diagnosis #algorithm
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... Orbital Apex Syndrome ... fissure and optic canal ... #physicalexam #neurology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Differential Diagnosis Algorithm ... • Nephritic syndrome ... • Sympathetic nervous ... HTN #Secondary #Nephrology ... Differential #Diagnosis #Algorithm
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
fracture, median nerve ... carpal tunnel syndrome ... injury) • ED Management ... Radius #Fracture #Forearm ... XRay #Diagnosis #Management
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
- Brain stem/Cranial ... nerve pathology ... - Repetitive nerve ... Gravis #diagnosis #management ... #neurology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
- Peripheral Nervous ... regional pain syndrome ... Pain #Mechanisms #Neurology ... Differential #Diagnosis #Algorithm ... #Causes
The rationale for aggressive treatment of generalized status epilepticus was described previously here.  In short,
epilepticus which may cause ... epilepticus may cause ... #Management #Neurology ... #CriticalCare # ... Refractory #Seizures #Algorithm