12 results
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 ... test itself involves ... Positive #Abnormal #clinical ... #video #neurology
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Positive Hoffmann's ... indicating cervical injury ... #clinical #hand ... #video #physicalexam ... #orthopedics #neurology
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
as follows: the test ... indicative of injury ... #Clinical #Video ... PhysicalExam #Neurology ... #Reflex
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Acute spinal cord injury ... Guillain-Barré syndrome ... #differential #diagnosis ... #table #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... very sensitive diagnostic ... afferent pathway injury ... Pupillary #Defect #Neurology ... #Clinical #Video
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Poliomyelitis, Guillain-Barre ... Phrenic nerve injury ... heavy metals), Critical ... #differential #diagnosis ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Clinical Features ... Decreased / Absent Reflexes ... Diagnosis: • ... #Syndrome #diagnosis ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord • Guillain-Barre ... • Provocative Tests ... absent anal wink test ... axial T1 and T2 Treatment ... #causes #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
transplantation CLINICAL ... depressed deep tendon reflexes ... and sensitive tests ... and cauda equina TREATMENT ... #management #neurology
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
Lazarus Reflex on ... or during apnea testing ... after brain death diagnosis ... #PhysicalExam #clinical ... #video #neurology