17 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Saturday night palsy ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... #Pupil #PhysicalExam ... #neurology #ophthalmology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
are many different ... causes of Facial ... Nerve Palsy. ... the commonest cause ... #Neurology #Signs
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Weakness - Differential ... nerve palsy) ... Unilateral: Bell's Palsy ... #neurology #sparing
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... sleeping as in this case ... #Nerve #Palsy # ... PhysicalExam #clinical ... #msk #sports #neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... cause for Wrist ... nerve palsy with ... nerve palsy. ... #Nerve #Palsy #
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... suggest oculomotor nerve ... palsy. ... ophthalmology #physicalexam ... #neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... of most cranial nerves ... Exceptions to this rule are ... #hypoglossal #physicalexam ... #neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
- Differential ... Speech, Tongue and Facial ... Lesions of Cranial Nerves ... , Positive jaw jerk ... #Dysarthria #Neurology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
peripheral 12th nerve ... palsy. ... CN VII (facial weakness ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology