WHAT MEANS OF ANTICIPATORY NAUSEA AND VOMITING (ANV)

ANV is nausea and/or vomiting that occur prior to the beginning of a new cycle of chemotherapy, in response to conditioned stimuli such as the smells, sights, and sounds of the treatment room. ANV is a classically conditioned response that typically occurs after 3 or 4 prior chemotherapy treatments, following which the person experienced acute or delayed N&V.