The Viral Cardi B Dip Just Resurfaced On The Internet And Cardiovascular blood drop is a medical condition characterized by a sudden decrease in blood flow to the heart. It can be caused by a obstructed passageway that supplies oxygen and nutrients to the heart muscle. If left untreated, cardiovascular blood dip can lead to serious complications such as a coronary episode. Obtaining prompt medical attention is important to stop further damage of the heart.