VANCOUVER—Andrew Ladd scored the go-ahead goal with 2:27 left in the third period and the Blackhawks clinched their eighth straight playoff berth with a 3-2 victory over the skidding Vancouver Canucks on Sunday.Jonathan Toews stickhandled into the Canucks zone before dropping a pass in the high slot to Ladd, who fired in a one-timer for his 23rd goal this season and sixth in 13 games with the Hawks.Ladd was coming off a three-point night against Calgary on Saturday in which he scored two goals and added an assist.Trevor van Riemsdyk had two assists for the defending Stanley Cup champions. Tomas Fleischmann and Teuvo Teravainen also scored to help the Blackhawks improve to 44-25-7.Alex Burrows and Sven Baertschi scored for the Canucks, who have managed only seven goals during their eight-game losing streak. Emerson Etem had two assists.Scott Darling was again in goal for the Blackhawks.