894 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
worsen with head position ... • Short-lived, positional ... Positive Hallpike ... vestibular neuritis); positive ... Positive head impulse
Jugular Venous Pressure Measurement
Examiner places the patient in a reclined position and puts the base of
in a reclined position ... Positive: JVP >
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... all negatives Positive
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Benign Paroxysmal Positional ... BENIGN PAROXYSMAL POSITIONAL ... Hallpike test: Positive ... in head-hanging position ... impulse test: Positive
Carnett's Sign to localize Abdominal Wall (Musculoskeletal) Pain
Step 1 : The clinician identifies and palpates the
resting supine position ... examination table (tense position ... Positive Carnett's ... muscles in the tense position ... tenderness as the rest position
Treatment of Obstructive Sleep Apnea
Positive airway pressure therapy
   → Positive pharyngeal transmural pressure
Obstructive Sleep Apnea Positive ... therapy → Positive ... exercise, sleeping position
Cyriax Release Test for Thoracic Outlet Syndrome

Positioned behind the patient, the examiner tilt's the patient's drunk
Outlet Syndrome Positioned ... , holding this position ... The test is positive
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Benign Paroxysmal Positional ... in head-hanging position ... in head-hanging position ... in head-hanging position ... returns to sitting position
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... yielding false-positive ... can cause false positives ... may cause false-positive ... sertraline #False #positive
Vancomycin and Dalbavancin (lipoglycopeptide antibiotics) - Antibiotics Class Overview

Mechanism: Glycopeptide -  inhibits cell wall synthesis
synthesis in Gram positives ... Spectrum: gram positive ... or proven gram positive ... choice for gram positive