31 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... Supinator - C5, C6 • Finger ... Conditions Erb's Palsy ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy ( ... #neurology #sparing
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Palsy on Physical ... sleeping as in this case ... #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... grip weakness caused ... #video #neurology ... #physicalexam # ... msk #orthopedics
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Winged Scapula on ... Physical Exam Caused ... long thoracic nerve ... #PhysicalExam # ... clinical #video #neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... nystagmus #ocular #physicalexam ... clinical #video #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... no neurological cause ... #diagnosis #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... #DoubleVision #Differential
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
ring and little finger ... (AIN) palsy leaves ... where the index finger ... Anatomy #diagnosis #neurology ... #orthopedics