Stile concitato or "agitated style" is a Baroque style developed by Claudio Monteverdi with effects such as having rapid repeated notes and extended trills as symbols of bellicose agitation or anger.
Kate Van Orden points out a precedent in Clément Janequin's "La Guerre" (1528).
Some examples of stile concitato can be found in the following works:
Claudio Monteveri - Il Retorno d'Ulisse in Patrie (1640) - Act 3 (In the five-act numbered version) - Scene 5 (At the beginning where Penelope's suitors conspire to murder Telemachus)