85 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... unidirectonal nystagmus ... symptoms/signs, ... bidirectional nystagmus ... Glomus Tumors - Vascular
HINTS Exam - Bidirectional Nystagmus 

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

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... Video by Dr. ... Unidirectional #Nystagmus ... #Negative #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... or minutes with vascular ... causesNystagmus ... positional episodes caused ... Hallpike test (posterior
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
or minutes with vascular ... causes, such as ... with posterior ... diagnosis #findings #signs ... symptoms #comparison #neurology
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Hallpike Test in Posterior ... Latency (delay in nystagmus ... and torsional nystagmus ... and nystagmus escalates ... testing #findings #signs
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Acute continuous vertigo ... due to Posterior ... /vomiting/vertigo ... /nystagmus - Vestibular ... #Wallenbergs #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
of Vertigo Peripheral ... Causes (Common) ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... differential #diagnosis #neurology
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
for a CENTRAL cause ... of vertigo. ... Video by Dr. ... PhysicalExam #Clinical #Video ... #Neurology #Vertigo
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Vascular disorders ... without an obvious cause ... Occlusion of posterior ... signs or symptoms