Only the Avatar was the master of all four elements. Only he could stop the ruthless Fire Nation from conquering the world. But when the world needed him most, he disappeared. Until now... On the South Pole, a lone Water Tribe village struggles to survive.
Heart failure, sometimes known as congestive heart failure, occurs when your heart muscle doesn't pump blood as well as it should. Certain conditions, such as narrowed arteries in your heart (coronary artery disease) or high blood pressure, gradually leave your heart too weak or stiff to fill and pump efficiently.
Making the world better, one answer at a time. Congestive Heart Failure Congestive heart failure (CHF), or heart failure, is a condition in which the heart can't pump enough blood to the body's other organs. This can result from. The failing heart keeps working but not as efficiently as it should.