10 results
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... constipation Differential ... Equina #syndrome #differential ... #diagnosis #causes ... #neurology
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
briefly raising the arms ... reported in some cases ... clinical #video #neurology ... #criticalcare #braindeath ... #braindead
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Decorticate posturing: Arms ... flexed at the elbow ... Casey Albin MD @ ... #PhysicalExam #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Erb's Palsy is caused ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... in deep tendon reflexes ... involvement Cauda ... syndromes #lesions #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Lower roots -> Cauda ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Can begin in arms ... Decreased / Absent Reflexes ... : Arms or legs ... nerve roots and cauda ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... depressed deep tendon reflexes ... nerve roots and cauda ... Glucocorticoids are ... diagnosis #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... - Causes progressive ... Increased Jaw Jerk reflex ... conditions listed in differential ... Lateral #Sclerosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms ... Spasticity - Reflexes ... • Infectious causes ... diagnosis #management #neurology ... #differential