The Women's 4x100m Medley Relay at the 2006 Central American and Caribbean Games occurred on July 21, 2006 at the S.U. Pedro de Heredia Aquatic Complex in Cartagena, Colombia.
Only 6 relays were entered in the event, and consequently, it was only swum once (in finals).
Records at the time of the event were:
References
Swimming at the 2006 Central American and Caribbean Games – Women's 4x100 metre medley relay Wikipedia(Text) CC BY-SA