7 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... unidirectonal nystagmus ... Bone Fracture Central ... symptoms/signs, ... bidirectional nystagmus
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
forehead) in classic posterior ... , such as with posterior ... #Vertigo #diagnosis ... #findings #signs ... symptoms #comparison #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... may be present Central ... Hallpike test (posterior ... #differential #diagnosis
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
due to Posterior ... /nystagmus - Vestibular ... Palatal myoclonus - Central ... #Wallenbergs #neurology ... #diagnosis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... Occlusion of posterior ... signs or symptoms ... #differential #diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... lesions of the central ... Postsynaptic: Myasthenia Gravis ... Lack of UMN/LMN signs ... #neurology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
bone): facial nerve ... palsy • Posteriorly ... , nystagmus • ... pathophysiology #signs ... #symptoms #diagnosis