14 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... compression of the radial ... #Drop #Radial # ... Nerve #Palsy #PhysicalExam ... #msk #sports #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
- Differential ... Framework If Altered Mental ... Oculomotor (3rd cranial ... no neurological cause ... diagnosis #neurology
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Exam - Caused by ... Radial Nerve Injury ... #PhysicalExam # ... Radial #Nerve #Injury ... clinical #video #neurology
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Exam - Caused by ... Radial Nerve Injury ... #PhysicalExam # ... Radial #Nerve #Injury ... clinical #video #neurology
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Exam - Caused by ... Radial Nerve Injury ... #PhysicalExam # ... Radial #Nerve #Injury ... clinical #video #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Young females Differential ... dissociation • Other causes ... #PhysicalExam # ... neurology #ophthalmology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as cause ... and pronation- Radial ... Extension #Maneuver #Radial ... #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • Neurologic ... large/unreactive pupil ... depress when looking medially ... #Ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential