65 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... vomiting, auditory symptoms ... • Meniere's Disease ... symptoms/signs, ... #Causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Méniére's disease ... Occlusion of posterior inferior ... signs or symptoms ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... No auditory symptoms ... test Méniére's disease ... Long symptom-free
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Artery occlusion) Clinical ... Findings: • Nausea ... /vomiting/vertigo ... #Wallenbergs #neurology ... #diagnosis
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
CVA #Territory #Symptoms ... #Signs #Localization ... #Diagnosis #Table ... Comprehensive Review in Clinical ... Neurology - https
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
tinnitus (Méniére's disease ... with vascular causes ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis 1) Vertigo ... instability 3) Nausea ... hearing loss Clinical ... Labyrinthitis #Diagnosis ... #Symptoms #Signs
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... and duration of symptoms ... Disorientation, vertigo ... Diagnostic tests
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... suffusion (redness w/o exudate ... rash • Others: nausea ... Biphasic #Phases #Diagnosis ... #Illness #Signs
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... sensory • Before diagnosis ... intervertebral disc disease ... ligament (near anterior ... #signs #symptoms