77 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... Nerve Pathologies ... sarahthelyon #Upper #Extremity ... #differential # ... #innervation #neurology
Lower Extremity Nerve Pathologies 

 • Obturator
 • Femoral
 • Common Peroneal
 • Tibial
 • Superior
Lower Extremity ... Nerve Pathologies ... #Nerve #Pathologies ... #differential # ... #innervation #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... , lower extremity ... conditions listed in differential ... activity between nerve ... Lateral #Sclerosis #neurology
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... form part of the differential ... neurotransmitter cause ... This lesion causes ... cord, peripheral nerve
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... of most cranial nerves ... XII nerve palsy ... #hypoglossal #physicalexam ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... axillary nerve ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... Infection • Neuro: UMN ... Generalized #Weakness #Differential ... #Diagnosis #causes ... #neurology
Tromner Sign on Physical Exam

Tromner sign indicates pyramidal release.  The Tromner sign is flexion of
sign indicates pyramidal ... neurological sign for pyramidal ... response in the upper extremity ... clinical #Video #Neurology ... #physicalexam
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Weakness - Differential ... (2% of facial nerve ... Facial #Weakness #Differential ... #neurology #sparing
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent Causes ... - Peripheral nerve ... - Peripheral nerve ... Neuromuscular #Weakness #Differential ... #Neurology #Causes