1383 results
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Latency (delay in nystagmus ... and torsional nystagmus ... • Vertigo and nystagmus ... 30 seconds • Nystagmus ... testing #findings #signs
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Convergence retraction nystagmus ... retraction (Collier's sign ... → "setting sun sign
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
vestibular CN VIII • Nystagmus ... Diagnosis #Symptoms #Signs
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Convergence retraction nystagmus ... retraction (Collier's sign ... "setting sun" sign
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... neurologic symptoms/signs ... bidirectional nystagmus
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Symptoms and Signs ... and Trousseau signs ... Cerebellar (ataxia, nystagmus ... magnesium #Symptoms #Signs
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... diagnosis #findings #signs
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Clonus, Babinski’s sign ... • Lhermitte’s sign ... pupillary defect SIGNS ... Incontinence • VISUAL: Nystagmus ... Signs and symptoms
Clinical Feature of Hypomagnesemia and Magnesium Deficiency
 • Electrolyte Disturbance: Hypokalemia, Hypocalcemia
 • Neuromuscular and central
tremors, Vertigo, Nystagmus ... Hypomagnesemia #diagnosis #signs
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
dizziness, vertigo, nystagmus ... pathophysiology #signs