(an'te-sis'tō-lē), Premature activation of the ventricle responsible for the preexcitation syndrome of the Wolff-Parkinson-White or Lown-Ganong-Levine types.
an·te·sys·to·le
(an'tĕ-sis'tō-lē) Premature activation of the ventricle, responsible for the preexcitation syndrome of the Wolff-Parkinson-White or Lown-Ganong-Levine type.