30 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Acute spinal cord injury ... Guillain-Barré syndrome ... #Causes #differential ... diagnosis #table #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 ... test itself involves ... #Reflex #Positive ... clinical #video #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... • Central Cord Syndrome ... bladder and rectal reflex ... pathophysiology #signs ... #orthopedics #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Poliomyelitis, Guillain-Barre ... Phrenic nerve injury ... poisoning, Scorpion sting ... Weakness #Causes #differential ... #diagnosis #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Diagnostic Criteria for Guillain ... sensory symptoms or signs ... protein Features Casting ... nervous system signs ... diagnosis #criteria #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Locked-in syndrome ... Awareness • Injury ... • Examine for signs ... #PhysicalExam #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... It is a clear sign ... the pupillary reflex ... afferent pathway injury ... Pupillary #Defect #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Decreased / Absent Reflexes ... #Barre #Syndrome ... #diagnosis #management ... #treatment #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Tethered cord • Guillain-Barre ... • Provocative Tests ... absent anal wink test ... #differential # ... diagnosis #causes #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... clinical context and signs ... • Cardio-renal syndrome ... Acute #Kidney #Injury ... #Diagnosis #nephrology