13 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... Neuropathy - Foot drop ... damage to peroneal nerve ... #neurology #sensory
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Wrist drop - Occurs ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Lazarus Sign / Reflex in Brain Death - Head Flexion

The presence of this complex spinal reflex
Lazarus Sign / Reflex ... the brain death diagnosis ... their arms and drop ... BrainDeath #BrainDead #Neurology ... #video #clinical
Lazarus Sign / Reflex in Brain Death - Head Turn

The presence of this complex spinal reflex
Lazarus Sign / Reflex ... the brain death diagnosis ... their arms and drop ... BrainDeath #BrainDead #Neurology ... #video #clinical
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
hyperextension -> Upper extremity ... Primarily Upper Extremity ... bladder and rectal reflex ... #diagnosis #pathophysiology ... #orthopedics #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... Differential Diagnosis ... reflexes - reduced ... #differential #diagnosis ... #causes #neurology
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
is a clinical syndrome ... abolished tendon reflexes ... (shown in the video ... delayed uptake of calcium ... #neurology #endocrinology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential Diagnosis ... Consciousness • Cranial Nerve ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... #diagnosis #management ... #treatment #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... threat Cranial Nerves ... #PhysicalExam #neurology