26 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... unidirectonal nystagmus ... symptoms/signs, ... bidirectional nystagmus ... #Neurology #Differential
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... symptoms, this ... Bidirectional #Nystagmus ... #PhysicalExam #Clinical ... Video #Positive #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... symptoms, this ... Unidirectional #Nystagmus ... #PhysicalExam #Clinical ... Video #Negative #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
or minutes with vascular ... causes • Nystagmus ... No auditory symptoms ... Long symptom-free ... differential #diagnosis #neurology
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis 1) Vertigo ... (severe) 2) Gait ... hearing loss Clinical ... vestibular CN VIII • Nystagmus ... #Signs #Otolaryngology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... or minutes with vascular ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Vascular disorders ... with significant neurologic ... attacks with varying neurologic ... signs or symptoms ... differential #diagnosis #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
and torsional nystagmus ... symptoms • Head ... patient with a clinical ... patient with a clinical ... Labyrinthitis #diagnosis #neurology
Wernicke Encephalopathy - Acute B1 (Thiamine) Deficiency - Diagnosis and Management
Diagnosis - Caine Criteria (2 of
Diagnosis and Management ... ophthalmoplegia and nystagmus ... dysfunction (e.g. gait ... treatment can improve symptoms ... #neurology #nutrition
Opsoclonus-Myoclonus Ataxia Syndrome (OMAS) -Dancing eyes - dancing feet syndrome
 • Opsoclonus: ocular spontaneous, arrhythmic, conjugate
• Opsoclonus: ocular ... movements caused by muscular ... Ataxia #Syndrome #clinical ... #video #neurology ... #gait