20 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
rectal reflex. ... #Acute #SpinalCord ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... aracteristic "claw hand ... " ± Horner Syndrome ... Myotomes #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... threat Cranial Nerves ... • Examine for signs ... #PhysicalExam #neurology
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
of the cranial nerves ... Involvement of V1, V2 and ... or orbit (MRI) Treatment ... resolution of the symptoms ... #TolosaHunt #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 ... spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... T2 Treatment ... diagnosis #causes #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... test - Cogan sign ... - Peek sign ... - Repetitive nerve ... diagnosis #management #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... lumbar spine Signs ... of normal leg reflexes ... damage to sacral nerves ... #signs
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Decreased / Absent Reflexes ... • Pain: Due to nerve ... Treatment: • Plasmapheresis ... diagnosis #management #treatment ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Lower motor neuron symptoms ... Upper motor neuron symptoms ... in deep tendon reflexes ... unilateral) #SpinalCord
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... nerve damage in ... including DM • Treatment ... reflex activity ... bulbocarvenosus reflex