56 results
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... patient with a clinical ... consistent with BPPV ... patient with a clinical ... ) #Vertigo #BPPV
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... identified by the test ... the screening test ... Calculation #Table #PPV ... #NPV #Formulas
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
During Hallpike Test ... Positional Vertigo (BPPV ... findings #signs #bppv
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
SQUARE WAVE TEST ... PRESSURE VARIATION (PPV ... Pressure Variation (PPV ... volume (increased PPV
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
following a finger) • Test ... diagnosis #neurology #bppv
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... diseases, describe clinical ... PPV: proportion ... prevalence is low, then PPV ... specificity -> higher PPV
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
auditory findings BPPV ... Positive Hallpike test ... or supine roll test ... Positive head impulse test
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... 45° towards the test ... throughout the test ... DixHallpike #Maneuver #BPPV
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Nystagmus in PSC BPPV ... semicircular canal BPPV ... Ocular #Nystagmus #BPPV ... Hallpike #Maneuver #clinical
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
Ulnar Fovea Sign Test ... aspect of the wrist ... flexion with the wrist ... The test is positive ... #wrist #clinical