13 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Guillain-Barré syndrome ... #differential #diagnosis ... #table #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... than females Guillain-Barre ... bulbar muscles Guillain-Barre ... • Areflexia Guillain-Barre ... #treatment #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Trauma, Tumor • Motor ... Poliomyelitis, Guillain-Barre ... #differential #diagnosis ... #neurology
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
GuillainBarré syndrome ... (aka: Landry–GuillainBarré–Strohl ...  Most common cause ... The sensory and motor ... Differential diagnosis
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
reflex response ... with an upper motor ... Babinski #Sign #Reflex ... #Plantar #PhysicalExam ... #Diagnosis #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... depressed deep tendon reflexes ... SinaiBmoreIMRes #GBS #Guillain ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... , T1 (median) Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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 ... Differential Diagnosis ... Tethered cord • Guillain-Barre ... #differential #diagnosis ... #causes #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam