Miami Heat small forward LeBron James (6) controls the ball against Oklahoma City Thunder shooting guard Thabo Sefolosha (25) during the fourth quarter at Chesapeake Energy Arena, Feb 20, 2014. [Photo/Agencies]

OKLAHOMA CITY - LeBron James scored 33 points before leaving in the fourth quarter with a bloody nose and the Miami Heat beat the Oklahoma City Thunder 103-81 on Thursday.

James went down with 5:50 remaining after he was struck by Oklahoma City's Serge Ibaka on a drive to the basket. James finished the dunk, but was bloodied and left the court with a towel over his face.

Dwyane Wade had 24 points and 10 assists and Chris Bosh added 24 points for Miami, which won its fourth straight and avenged an earlier loss to Oklahoma City.

Kevin Durant scored 28 points for Oklahoma City. Russell Westbrook, who had missed the previous 27 games after having a surgery on his right knee, started and scored 16 points.

Oklahoma City lost at home for the first time since Jan 5.