Heart failure occurs when the heart is not working effectively, including when the heart's left ventricle can't pump enough blood to the body's other organs.
Heart failure occurs when the heart is not working effectively, including when the heart's left ventricle can't pump enough blood to the body's other organs.
发生心力衰竭时，心脏工作效率下降，包括左心室泵血功能下降，不能为身体其他脏器提供足够的血液供应。）