Long-term blockage to the arteries can cause your heart muscle to weaken. There are also viruses that can attack the heart.
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What is Congestive Heart Failure and its causes? Dr. Amy Epps: There is another type of heart disease called Congestive Heart Failure which can be a weakening of heart muscle itself. So again, the heart is made up of -- is a muscular organ with four chambers, that has valves, and nerves, and blood vessels and all of those have to be working together for healthy successfully, functioning heart. What is Congestive Heart Failure/causes? Dr. Amy Epps: So heart failure can be caused by coronary disease, and that if you have long term blockage to the arteries that lead your heart muscle, and long term damage of that heart muscle. You can't get a weakened heart muscle, and your heart over time is weak, it can't pump strong, and eventually gives out so to speak. That's where you have people feel short of breath, have fluid on the lungs, and all of those were sounds of heart failure. The other causes of heart failure aren't necessarily related to coronary artery disease. There are viruses that attack the heart that cause the weakening of the heart muscle itself, and the heart muscle won't pump very strong. So then you can't get blood to all the vital organs in the body. And you can't push blood through your lungs, etcetera. So that's another type of heart failure.