24 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
- Vascular - Stroke ... (TIA): • Lateral ... - Strong Medicine ... #differential # ... diagnosis #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Lateral Medullary ... Posterior Circulation Stroke ... occlusion) Clinical Findings ... : • Nausea/vomiting ... #Wallenbergs #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hyperreflexia: • Delayed finding ... finding in spinal ... #differential # ... diagnosis #table #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... positional episodes caused ... #Algorithm #differential ... #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential ... • Aphasia • Apraxia ... Cognition/Confusion, Dementia ... #Hemiplegia #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
can be severe in stroke ... with vascular causes ... direction-changing on lateral ... #diagnosis #findings ... symptoms #comparison #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Most commonly stroke ... Peripheral lesion - Bilateral ... Facial #Weakness #Differential ... #neurology #sparing
Pseudobulbar Affect
Characteristics (These episodes usually cause distress and impairment in occupational or social functioning):
 - Extreme
episodes usually cause ... Diseases: Amyotrophic Lateral ... Strokes, Traumatic ... Pseudobulbar #Affect #neurology ... #differential #
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Associated with nausea ... - Strong Medicine ... Algorithm #dizzy #differential ... #diagnosis #neurology ... #management
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
- Differential ... Internal Capsule Strokes ... • Amyotrophic Lateral ... Sclerosis Ataxic ... #Dysarthria #Neurology