20 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
: • Triceps Jerk ... C8 • Biceps Jerk ... Jerk - C8 Important ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Biceps Reflex C6 ... Dorsiflexion Knee Jerk ... Plantarflexion Ankle Jerk ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Nerve palsy • CN ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Left Abducens Palsy on Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Abducens #Palsy #CN6 #CNVI #Ocular #PhysicalExam #clinical #video
Abducens Palsy on Ocular ... Abducens #Palsy #CN6 ... #CNVI #Ocular # ... PhysicalExam #clinical ... ophthalmology #Neurology
Saccadic Intrusions on Ocular Physical Exam

Saccadic intrusions (involuntary conjugate saccades that interrupt fixation)- brief jerks that
Intrusions on Ocular ... fixation)- brief jerks ... Saccadic #Intrusions #Ocular ... #PhysicalExam # ... clinical #video #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... Neurogenic Ptosis - Neurologic ... Syndrome #Ptosis #neurology ... #Differential #
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
Rectus Palsy on Ocular ... Abducens #CNVI #CN6 ... #Ocular #physicalexam ... clinical #video #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... skin injury) • Neurologic ... Behcet disease) Differential ... spondyloarthritis • Ocular ... Leukemia, Lymphoma Ocular
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
Non-Emergent Causes CNS ... , neurologic, vessels ... vascular disease Ocular ... headache #causes #differential ... #diagnosis #neurology