Description

Heart is a four chambered structure with two top chambers (atria) and two bottom chambers (ventricles). Right side of the heart receives de-oxygenated blood from different parts of the body and it is delivered to the lungs, whilst the left side of the heart receives oxygenated blood from the lungs which in turn is delivered to various body organs by effective pumping of blood from the left ventricle. This process is repeated with every single heartbeat. Heart, therefore, functions as a pump and maintains proper circulation of blood throughout the body. Heart failure or congestive cardiac failure results from sub optimal functioning of the heart. This may often be due to weak heart muscle. It is referred to as systolic heart failure when the ventricles of the heart do not contract properly during each heartbeat, so blood is not adequately pumped out of the heart or diastolic heart failure when the ventricles do not fill up with blood enough when the heart rests in between each heartbeat (often due to increased stiffness of heart muscle). Heart failure may affect only the right ventricle (right-sided heart failure) or the left ventricle (left-sided heart failure), or both.

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