41 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Differential Diagnosis Algorithm ... vomiting, auditory symptoms ... unidirectonal nystagmus ... #Causes
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... Convergence #retraction #nystagmus ... #physicalexam #clinical ... video #neurology #ophthalmology
HINTS Exam - Bidirectional Nystagmus 

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

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... patient with vertigo symptoms ... for a PERIPHERAL cause ... Unidirectional #Nystagmus ... #PhysicalExam #Clinical
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... • Nystagmus: ... No auditory symptoms ... Long symptom-free
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... Clinical Pearls ... • Neurologic symptoms ... Cataract/Lens Dislocation ... #Causes #Ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Syphilis (light-near dissociation ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
Seesaw Nystagmus ... Nystagmus can be ... We have varied causes ... #physicalexam #clinical ... #video #ophthalmology
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
instability 3) Nausea ... hearing loss Clinical ... vestibular CN VIII • Nystagmus ... Labyrinthitis #Diagnosis #Symptoms
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus ... The approach uses ... Timing of the symptom ... that provoke the symptom ... into one of three clinical