We Tried Cardi B's Avocado Jalapeño Dip PureWowCardi circulatory dip is a medical condition characterized by a sudden decrease in blood volume to the heart. It can be caused by a blocked passageway that supplies oxygen and nutrients to the heart muscle. If left untreated, cardiovascular blood dip can lead to serious consequences such as a myocardial infarction. Obtaining swift medical attention is important to halt further damage to the heart.