113 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... auditory findings BPPV
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Maneuver This is a case ... Dr Sudhir Kothari ... #Nystagmus #BPPV ... ophthalmology #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... Maneuver This is a case ... Dr Sudhir Kothari ... #Nystagmus #BPPV ... ophthalmology #neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... hemorrhage Dr ... #ocular #physicalexam ... clinical #video #neurology
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 ... Peripheral #Vertigo #diagnosis ... #neurology #bppv
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... and torsional nystagmus ... consistent with BPPV ... Labyrinthitis #diagnosis ... #neurology #comparison
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Convergence retraction nystagmus ... disease (stroke) Dr ... #diagnosis #pineal ... #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a central cause ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... Central #Vertigo #diagnosis ... symptoms #comparison #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... and Differential Diagnosis ... osmolarity If cause ... #Injury #AKI #Workup ... #nephrology #causes