Karst terrane: landscape underlain by soluble bedrock, typically limestone, with a suite of distinctive features such as caves that are related to the solubility of the bedrock. Features that characterize karst terranes: 1  caves, and cavernous development, subsurface drainage.
Left-sided heart failure is a life-threatening condition in which the left side of the heart cannot pump enough blood to the body.eft-sided heart failure is a life-threatening condition in which the left side of the heart cannot pump enough blood to the body.
Heart failure is brought on by a variety of underlying diseases and health problems. Your condition may involve the left side, the right side or both sides of the heart. Each side has two chambers: An atrium or upper chamber.