The Ravens scored 17 points in the third quarter to overcome a 7-0 halftime deficit.
Steve McNair was 24-for-34 for 236 yards; Lewis rushed for 91 yards on 22 carries and Mark Clayton made five receptions for 89 yards for the AFC North-leading Ravens, who have a four-game winning streak after the victory.
Morten Andersen added a 21-yard field goal late in the first half.
Vick was just 11-for-21 for 127 yards and added 54 yards on six rushing attempts for the Falcons, who have lost three games in a row.
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