40 results
Vertical (Upbeat) Nystagmus on Physical Exam

This patient had severe hypomagnesemia. Serum Mg 0.1 mg/dl.

Dr. Arvind Canchi
Vertical (Upbeat ... #Vertical #Upbeat
One & a half syndrome with upbeat nystagmus due to a left pontine + bimedullary infarction

Dr.
syndrome with upbeat
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
head-hanging position • Upbeat
WEBINO on Ocular Examination

WEBINO = Wall-eyed bilateral internuclear ophthalmoplegia with Midbrain exotropia,  b/l ADduction impairment,
& Gaze evoked Upbeat
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
side only with upbeat
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
torsional and upbeat
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
• With Every Beat ... Not with Every Beat
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
(normal sinus beat ... of normal sinus beat ... a ventricular beat
Dix-Hallpike Maneuver for the Diagnosis of BPPV
The Dix–Hallpike test (Nylen Barany test) is a diagnostic maneuver
component, an upbeat
Dix-Hallpike Maneuver for the Diagnosis of BPPV (Animated)

The Dix–Hallpike test (Nylen Barany test) is a diagnostic
component, an upbeat