When an insult to the heart occurs- this weakens the muscle. The right side of the heart receives blood from both the inferior and superior vena cava as well as azygos veins- any failure to adequately pump blood to the lungs for oxygenation will result in symptoms like edema.
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Pulmonary edema is a result of a left ventricle failure or simply congestive heart failure which results in the heart not being able to remove fluid from lung circulation.
Right sided heart failure is also known as congestive heart failure. The right side loses it's pumping function and the blood backs up in other areas causing congestion. Congestion affects the liver, the GI tract and the limbs.
They do NOT mean that the heart stops, or that the persons suffering from them are near death. Often, these are conditions that can be treated. They mean, essentially, that the heart is for some reason weaker than it should be, and weak enough so that there is some fluid backup. The right heart takes systemic blood, blood from the body, and delivers it to the lungs so it can release carbon dioxide and pick up oxygen. If the right heart is failing, there may be edema, or swelling, in the arms or legs. The left heart brings blood that is freshly oxygenated by the lungs and delivers it to the body. If the left heart is weak, there may be congestion in the lungs from the fluid backup.
Yes, it is considered a sign/ symptom of CHF if the heart has been damaged on the left side. It is caused by fluid backing up into the lungs (pulmonary edema) because the left side of the heart is not able to keep up with the amount of blood being pumped from the healthy right side. The crackling sound is caused by the air being pushed through this fluid. If the heart has been damaged on the right side, you will see a build up of fluids usually in the ankles causing considerable swelling.
i know my heart is on right side