33 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... #ocular #physicalexam ... #clinical #video ... #neurology #ophthalmology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... auditory findings BPPV ... differential #diagnosis #neurology
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
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
Marcus Gunn Phenomenon ... the trigeminal nerve ... Most cases are congenital ... Syndrome #clinical #video ... #neurology #physicalexam
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
examiners nose • Nystagmus ... following a finger) • Test ... uncover each eye Dr ... #diagnosis #neurology ... #bppv #comparison
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Dr Sudhir Kothari ... #Nystagmus #BPPV ... Maneuver #clinical #video ... ophthalmology #neurology
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... for a CENTRAL cause ... Video by Dr. ... Vertical #Skew #Test ... #Neurology #Vertigo
HINTS Exam - Normal Test of Skew (Normal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Normal Test ... for a PERIPHERAL cause ... Video by Dr. ... Vertical #Skew #Test ... #Neurology #Vertigo
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... ) Where: Optic nerve ... * (main cause), ... By Dr. ... #Defect #RAPD #neurology