The slumping San Jose Sharks fell to their fourth straight loss with a 4-3 defeat at the hands of the Calgary Flames.

Nigel Dawes, Eric Nystrom, Jarome Iginla and Daymond Langkow were on target for Calgary, who have won six of eight to move into the thick of the play-off picture in the west.

San Jose remain top of the Western Conference despite their poor run, although their lead in the Pacific Division is now only three points

Saku Koivu scored the winner in overtime as the Anaheim Ducks ran out 5-4 winners over the New York Islanders.

The Blue Jackets hit three unanswered goals in the third period courtesy of Rick Nash (two) and Kris Russell as Columbus came from behind to register a 4-2 win over the Minnesota Wild.

Gilbert Brule scored the shootout winner as the Edmonton Oilers saw off the Detroit Red Wings 3-2.