18 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
, often from vascular ... Upper extremity weakness ... Mixed upper and lower ... anesthesia. leg weakness ... #orthopedics #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
of Peripheral Weakness ... Sensory Changes - Differential ... • Peroneal • Radial ... #Sensory #Neurology ... #Differential #
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
• Spinal Cord: ... Myelitis, Trauma, Tumor ... Phrenic nerve injury ... #Causes #differential ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
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
Spinal Cord Injury ... Respiration None C5 Radial ... #SpinalCord #Injury ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... injury. ... - Lower motor ... syndromes #lesions #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... below the site of injury ... Vascular/Blockage ... disorders #diagnosis #neurology ... #differential
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
usually reflects lower ... abdominis muscle weakness ... paralysis from spinal cord ... Beevors #Sign #PhysicalExam ... video #umbilicus #neurology
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... inhalation • Tracheal injury ... Tracheomalacia • Vascular ... Tracheal mass/tumor ... pulmonary #airway #physicalexam
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... system: Brain tumor ... of the spinal cord ... #Differential # ... Diagnosis #neurology