DEFINITION type of heart failure [ IATE:1584546 ] in which blood returning to the heart through the veins backs up due to slow blood flow out of the heart, resulting in congestion in the body's tissues REFERENCE COM-EN, based on:<BR>American Heart Association. <i>Types of Heart Failure</i>, http://www.heart.org/en/health-topics/heart-failure/what-is-heart-failure/types-of-heart-failure [31.10.2018]