Spicy Avocado Jalapeno Dip AKA Cardi B’s Dip Coronary blood drop 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, cardiovascular blood dip can lead to serious issues such as a myocardial infarction. Getting quick medical attention is essential to stop further damage of the heart.