110 results
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Pathophysiology: • Severe injury ... Awareness • Injury ... Casey Albin MD @ ... #comatose #diagnosis
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 ... Flexion None T1 Ulnar ... #SpinalCord #Injury ... #differential #diagnosis ... #Neurology #Spine
Bell's Phenomenon (Palpebral-Oculogyric Reflex) on Physical Exam

Upward movement of the eyeball when the eyelids are forcefully
Palpebral-Oculogyric Reflex ... Exam Upward movement ... Palpebral #Oculogyric #Reflex ... #PhysicalExam #clinical ... #video #neurology
Lazarus Sign / Reflex in Brain Death - Head Flexion

The presence of this complex spinal reflex
Lazarus Sign / Reflex ... the brain death diagnosis ... movement in brain-dead ... BrainDeath #BrainDead #Neurology ... #video #clinical
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Acute spinal cord injury ... in spinal cord injury ... #differential #diagnosis ... #table #neurology
Lazarus Sign / Reflex in Brain Death - Head Turn

The presence of this complex spinal reflex
Lazarus Sign / Reflex ... the brain death diagnosis ... movement in brain-dead ... BrainDeath #BrainDead #Neurology ... #video #clinical
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... , T1 (median) Reflexes ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... spinal artery injury ... bladder and rectal reflex ... #Syndromes #diagnosis ... #orthopedics #neurology
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
upper motor neuron injury ... The Hoffmann's reflex ... Hoffmanns #Sign #Reflex ... Positive #Abnormal #clinical ... #video #neurology
Oppenheim's Sign on Physical Exam

There are some alternative maneuvers to search for the classic Babinski sign,
indicator of pyramidal injury ... In the video I show ... Oppenheims #Sign #Reflex ... #Neurology #clinical ... #video #physicalexam