Patrick scored his second of the season when he took a pass from Keegan Kolesar, drew the puck between his legs and scored on a backhand from the slot to get Vegas within 2-1 with 1:45 left. Carolina challenged for goaltender interference and it was ruled Hurricanes defenseman Ian Cole caused Howden to contact Andersen.
"Any goal kind of gives you a bit of confidence," Patrick said. "I just try to keep building, try to get better each game and try to contribute as much as I can."
Aho tipped Tony DeAngelo's shot from the left point for a power-play goal to make it 3-1 at 8:32 of the third period.
Andersen made close-range saves on Nicolas Roy and Theodore in overtime, He has won four in a row, 11 of 12, and is 22-6-0 this season.
"We know he has to be one of our best players if we are going to be successful, and he has been all year," Brind'Amour said.
NOTES: Golden Knights forward Mark Stone was minus-1 with one hit in 19:16 after missing two games in COVID-19 protocol. ... Vegas has taken five minor penalties two games in a row. ... With two assists, Svechnikov has a five-game multipoint streak (10 points; two goals, eight assists). ... DeAngelo has scored nine points (one goal, eight assists) in a five-game point streak. ... Staal has not scored a goal in 30 games (Oct. 29).