Taste Testing Cardi B’s Avocado Jalapeño Dip Cardiovascular b plunge is a medical condition characterized by a sudden decrease in blood supply to the heart. It can be caused by a constricted passageway that supplies oxygen and nutrients to the heart muscle. If left untreated, cardi b dip can lead to serious consequences such as a cardiac event. Seeking quick medical attention is crucial to halt further damage of the heart.