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Cross-section. The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper ...
A normal range is between 52% and 72% for males and between 54% and 74% for females. An ejection fraction that’s higher or lower may be a sign of heart failure or an underlying heart condition ...
Bottom line. Left- and right-sided heart failure can both cause different symptoms. For instance, people with left-sided heart failure may experience trouble breathing, while people with right ...
Cardiac physiology. Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.
Right-side vs. Left-side Heart Failure. When your heart is working normally, it pumps oxygen-rich blood through your lungs and to the rest of your body. The left ventricle, or left chamber, of the ...
Parts of the Heart. The heart is under the rib cage, to the left of your breastbone (sternum) and between your lungs. On the outside, the heart is made of muscle. The strong muscular walls ...
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The heart has three layers. They are the: Epicardium: This thin membrane is the outer-most layer of the heart. Myocardium: This thick layer is the muscle that contracts to pump and propel blood ...