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Minimum Stimulus Strategy in the Diagnosis of BPPV

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1.  Which semicircular canal is involved in BPPV if clear upbeating right-torsional nystagmus is detected in backward head bending at the head pitch test? Left PSC Right PSC Right ASC Left HSC

2.  Where could otoconia be floating if horizontal right-beating nystagmus in backward head bending and left-beating nystagmus in forward head banding are detected at the head pitch test? Non-ampullary arm of the left HSC or ampullary arm of the right HSC Non-ampullary arm of the right HSC or ampullary arm of the left HSC Non-ampullary arm of the right HSC or non-ampullary arm of the left HSC Non-ampullary arm of the left PSC or ampullary arm of the right ASC

3.  Which is the suggested maneuver following the minimum stimulus strategy if horizontal nystagmus is detected at the head pitch test? The seated-supine positional test The supine head yaw test The upright head roll test The upright RALP/LARP test

4.  Which is the suggested maneuver following the minimum stimulus strategy if both the head pitch test and the upright head roll test are uneventful? The seated-supine positional test The supine head yaw test The Dix Hallpike test The upright RALP/LARP test

5.  Which is the first suggested treatment strategy if a bilateral PSC BPPV is detected from the upright position? Semont liberatory maneuver for the most symptomatic PSC Epley repositioning maneuver for the most symptomatic PSC Yacovino maneuver for both PSC and ASC Gufoni maneuver for the HSC of the most symptomatic side