WASHINGTON, May 14 (Ticker) -- Dwyane Wade and Eddie Jones earned "The Diesel" some extra rest.

Wade scored a franchise playoff-record 42 points and Jones nailed a go-ahead 3-pointer with 14.9 seconds left as the Miami Heat - again without Shaquille O'Neal - avoided a fourth-quarter collapse and completed a four-game Eastern Conference semifinal sweep of the Washington Wizards with a 99-95 triumph.

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Damon Jones hit six 3-pointers en route to 19 points for the top-seeded Heat, who improved to 8-0 in the postseason and will face either the Indiana Pacers or Detroit Pistons in the conference finals.

Miami played a second straight game without Most Valuable Player runner-up O'Neal, who is nursing a badly bruised right thigh. By virtue of completing a sweep, the Heat will give the All-Star center at least another week's rest. The sixth-seeded Pacers lead the second-seeded and defending champion Pistons, 2-1.

"There's always a Diesel flow to our team," Wade said. "Shaq came to us before the game and told us, 'I'm proud of y'all. You can do this regardless.' And we did it with the help of our big man. He wasn't in the game with us, but he was just as big in these two games. It's very big to give him some more rest."

The Heat trailed at the break, 51-47, but shot 71 percent (12-of-17) in the third quarter to take an 87-76 advantage into the final 12 minutes. Wade scored 22 points and went 7-of-7 from the field in the period.

"That was probably the best," Wade said of his third-quarter performance. "I felt like I couldn't miss. I felt like I could do no wrong. It felt like every shot you put up was going to go in. It was a golden opportunity and I just felt great."

Heat coach Stan Van Gundy was hesitant to give the hot-handed Wade a breather to begin the fourth quarter.

"It was an incredible third quarter by an incredible player," Van Gundy said. "I almost hated to take him out because he was on such a roll, but I had to give him some rest. I think in the fourth quarter when he came back he had carried such a big load that he was really tired.

"Obviously he was fabulous the whole series, particularly the two games here - to step up and have games like that with Shaq not being able to play."

Wade scored a total of 73 points in Game 3 and 4 with O'Neal sidelined.

Gilbert Arenas scored 25 points but shot just 5-of-17 before fouling out with 6:04 remaining for the Wizards, who beat the Chicago Bulls in six games in the first round for their first playoff series win since 1982. When Arenas fouled out, he removed his uniform top and tossed it into the stands - a ritual for much of the season - and earned a technical.

"I was just taking my shirt off," Arenas said. "I didn't know I was going to get a technical for it. Actually, I was surprised that I fouled out. I didn't know I had the sixth one already. That's what I do. Instead of sitting there in a wet shirt, I go ahead and give it to somebody. I had talked to (referee) Joey (Crawford) and said that I do that after every game, and he said, 'Oh, I thought you were mad because you got the tech and because you fouled out.' But I didn't mean it as a protest."

The Heat held a 94-83 lead when Eddie Jones - who induced Arenas' sixth foul - split a pair of free throws. But Steve Blake hit a runner to trigger a 12-0 run, which Antawn Jamison ended with a 3-pointer for a 95-94 edge with 1:15 left.

Neither team scored until Jones connected from the right wing to give the Heat a 97-95 edge and silence the MCI Center crowd.

"The last three or four minutes we finally found a way to get the ball out of his hands," Jamison said of Wade. "Before that, (the strategy on) the pick-and-roll was just to jump him. It kind of worked the last two minutes. Unfortunately, on the last play for them, I think I went too early and he was able to put us in a bad situation where we should go down and help on (Udonis) Haslem or contend for the shot with Eddie Jones, and (Wade) was able to find Eddie."

Following a timeout, Wizards guard Larry Hughes drove for a layup but had his shot blocked by Alonzo Mourning, who was starting in O'Neal's place. The ball went out of bounds off Hughes with 8.3 seconds left, and Wade sank two free throws just over a second later to cap the scoring.

"They got kind of pumped when Gilbert went out and made a run," Wade said. "They took the lead but this team is a good team. We came down and made a big play. Eddie hit a big three and I hit two free throws."

Taking advantage of O'Neal's absence, Washington center Brendan Haywood contributed 18 points and 15 rebounds. Hughes had just 15 points on 4-of-17 shooting for the Wizards, who shot just 37 percent (30-of-82).

"They're a better team than us right now," Hughes said of the Heat, who also swept the Wizards in the regular season. "They showed it all season. For us, it's back to the drawing board against them, but we'll be right back at them next year. We're not going to quit what we're trying to accomplish."

Wade finished 13-of-22 from the field and 16-of-17 from the line for the Heat, who shot 54 percent (29-of-54) through three quarters but just 14 percent (3-of-22) in the fourth. They did not make a basket for almost exactly 10 minutes before Jones' 3-pointer.

"I came in the huddle and told him, 'You're going to make a big three for us,'" Wade said he told Jones. "And then he made a big three for us. I had the confidence in him to tell him that, and then he took the shot. That's the kind of player he is."

Wade, however, is the kind of player the Wizards most aspire to be like.

"Those are elite players we played against and if we want to be there, we've got to work that much harder," Arenas said. "(Wade) is one of the best right now. He's proving and he's showing it. I'm glad that's my rivalry now. We're friends off the court and we're a rivalry on the floor. He's done a great job of taking his team on his back. When his season gets started with the third round, I'm going to be there watching him. I'm a fan."