113 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... involved = Peripheral lesion ... nerve palsy) ... Unilateral: Bell's Palsy ... #Weakness #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
C8 Elbow: • Flexion ... ) Finger: • Mexion ... Conditions Erb's Palsy ... Klumpke's Ralsy ... Saturday night palsy
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... compression of the radial ... #Nerve #Palsy # ... #orthopedics #msk
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Peripheral vs Central Lesions ... ) a peripheral lesion ... (2 ) a central lesion ... here by a Bell's palsy ... Paralysis #Bells #Palsy
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... non-displaced radial ... MetroHealth_EM #RadialHead ... #Orthopedics #MSK
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
Respiration None C5 Radial ... Finger Finger Flexion ... Thigh Hip Flexion ... S3/S4 Perianal Region ... NerveRoots #Levels #differential
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
trauma DISTAL RADIUS ... deformity, Tender Radius ... Painful palmar flexion ... , Painful radial ... fracture #radiology #msk
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... Trochlear) Nerve palsy ... Abducens) Nerve palsy ... • Medial Longitudinal ... ophthalmology #neurology #differential
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
• Wrist Drop - Radial ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
of Hemiplegia - Differential ... Sub-Cortical (Corona radiata ... Consciousness • Cranial ... Unilateral Spinal Cord Lesions ... Hemiplegia #Neurology #Differential