55 results
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... cause of vertigo ... #PhysicalExam #Clinical ... Video #Positive #Neurology ... #Central #Vertigo
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... examiners nose • Nystagmus ... Vertigo #diagnosis #neurology ... #bppv #comparison ... #table
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... #ocular #physicalexam ... #clinical #video ... #neurology #ophthalmology
Ocular Albinism and Nystagmus

#Ocular #Albinism #Nystagmus #clinical #video #ophthalmology #PhysicalExam #neurology
Ocular Albinism ... and Nystagmus ... #Ocular #Albinism ... #Nystagmus #clinical ... #PhysicalExam #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus ... Dizziness #Vertigo #Neurology ... Diagnosis #Algorithm #Causes
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... of AVS and negative ... cause of AVS. ... with an AVS with nystagmus ... #PhysicalExam #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... may be present Central ... with vascular causes ... • Nystagmus: ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... signs #symptoms #comparison ... #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Artery occlusion) Clinical ... Findings: • Nausea ... vomiting/vertigo/nystagmus ... Palatal myoclonus - Central ... #Wallenbergs #neurology
Wernicke Encephalopathy - Acute Thiamine (B1) Deficiency 
Clinical Diagnosis - Caine Criteria (2 out of 4):
B1) Deficiency Clinical ... 4): - Altered mental ... abnormalities (eg nystagmus ... oculomotor dysfunction and ... diagnosis #criteria #neurology