1) The document discusses the management of horizontal canal benign paroxysmal positional vertigo (HC-BPPV) using rapid head rotation. 2) 132 BPPV patients were diagnosed and treated, with 41 cases of HC-BPPV. Most HC-BPPV cases were treated with barbecue maneuver and/or forced prolonged position with good results. 3) Intractable HC-BPPV cases were treated with rapid head rotation, which was effective in resolving vertigo in most cases, especially for HC-Cupulolithiasis.