A Repercussion

1. A consequence or ensuing result of some action.
2. The act of driving back, or the state of being driven back; reflection; reverberation.
3. (music) Rapid reiteration of the same sound.
4. (medicine) The subsidence of a tumour or eruption by the action of a repellent.
5. (obstetrics) In a vaginal examination, the act of imparting through the uterine wall with the finger a shock to the foetus, so that it bounds upward, and falls back again against the examining finger.

(consequence): aftereffect

(consequence): consequence