743 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
Approaching a Difficult Colonoscopy - Scoping Summary
Risk factors for failed C-scope:
 • Incr Age
 • Female
Approaching a Difficult Colonoscopy ... rate • Fewer position ... Water assisted colonoscopy ... straightening devices and position ... time • Less position
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
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
intolerance suspected, Colonoscopy ... performed, may show melanosis ... EGD +/- ERCP +/- colonoscopy ... Inflammatory: • Colonoscopy
Melanosis coli on Colonoscopy
 - Benign finding on colonoscopy
 - Ask about senna (anthranoid) use
Melanosis coli on ... Colonoscopy - ... Benign finding on colonoscopy ... , ↑ adenomas #Melanosis ... #coli #Colonoscopy
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
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
Treatment of Obstructive Sleep Apnea
Positive airway pressure therapy
   → Positive pharyngeal transmural pressure
Obstructive Sleep Apnea Positive ... therapy → Positive ... exercise, sleeping position