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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... #physicalexam #clinical ... #video #neurology ... #ophthalmology
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
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 ... #PhysicalExam #Clinical ... Video #Positive #Neurology
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 ... #PhysicalExam #Clinical ... Video #Negative #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Clinical Pearls ... • Neurologic ... symptoms suggest ... a mass as the cause ... #Causes #Ophthalmology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Clinical manifestations ... Doppler US : halo sign ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
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 ... #Signs #Otolaryngology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... fluffy white ischemic ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Vertical Nystagmus on Slit Lamp Ocular Examination

Often an indicator of a central lesion. This patient was
Vertical Nystagmus ... found to have an ischemic ... By Ophthalmology ... #PhysicalExam #clinical ... #neurology #SlitLamp