The Hawks wrapped up the No. 1 seed and home-court advantage in the conference playoffs when Brooklyn beat Cleveland.
Paul Millsap had 21 points and
Miami, seventh in the East, had won four of six but fell behind early with cold shooting against the Hawks.
Luol Deng led Miami with 17 points and 10 rebounds.
Carroll has scored in double figures in seven straight games.
Detroit 111, at Orlando 97:
at Washington 110, Charlotte 107 (2OT): The
at Brooklyn 106, Cleveland 98:
Boston 96, at New York 92:
at Houston 120, Minnesota 110:
at New Orleans 102, Sacramento 88: Tryeke Evans had 25 points and 10 assists and
at San Antonio 94, Dallas 76: The
at Denver 107, Utah 91: