285 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
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... of patella then ask ... Patellar #Grind #clinical ... Patellofemoral #msk
Anterior Cruciate Ligament Injury seen with positive Anterior Drawer Test

#Anterior #Cruciate #Ligament #ACL #Injury #Drawer #Test
Anterior Drawer Test ... Injury #Drawer #Test ... #physicalexam #clinical ... #video #msk
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Acoustic Neuroma • BPPV ... Amy Chung, MD, MSc
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