7 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #CVA #Peripheral
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
forehead) in classic posterior ... , such as with posterior ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Rotary Movement Peripheral ... unidirectonal nystagmus ... Bone Fracture Central ... symptoms/signs,
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... minutes to days • Nystagmus ... may be present Central ... Hallpike test (posterior
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
lesions of the central ... Lesions Of The Peripheral ... Postsynaptic: Myasthenia Gravis ... Lack of UMN/LMN signs ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Occlusion of posterior ... signs or symptoms ... #Peripheral #Central ... #differential #diagnosis
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
components: targeted neurologic ... if the cause is peripheral ... CNS, Central nervous ... Impulse Test, Nystagmus ... #Posterior #CVA