9 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
spinal artery injury ... function below injury ... and #Acute #SpinalCord ... #diagnosis #pathophysiology ... #orthopedics #neurology
Incomplete Spinal Cord Syndromes
Anterior Cord Syndrome:
 • Bilateral loss of motor, pain and temperature sensation below
below level of injury ... • Hyperflexion injury ... #Incomplete #SpinalCord ... #Syndromes #Diagnosis ... #Neurology
Myotomes of the Spinal Cord
Each segmental nerve root innervates more than one muscle. For simplicity, certain
more resilient to injury ... #Myotomes #SpinalCord ... #Diagnosis #Neurology
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 ... Sphincter None #SpinalCord ... #Injury #NerveRoots ... #differential #diagnosis ... #Neurology #Spine
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... below the site of injury ... below the site of injury ... #spinal #cord #spinalcord ... #disorders #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
treat spinal cord injury ... Knife or bullet injury ... unilateral) #SpinalCord ... #differential #diagnosis ... #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
very sensitive diagnostic ... afferent pathway injury ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Pathophysiology: • Severe injury ... Awareness • Injury ... caseyalbin #PhysicalExam ... #diagnosis