Compléter insuficiencia cardiacaVersion en ligne corazopn venahdsuiad par Juan Sebastian Padilla mendoza 1 dilate heart blood muscle However ventricles efficiently Heart failure usually occurs after other conditions have damaged or weakened the . , the heart does not have to be weakened to cause heart failure . This can also happen if the heart becomes too stiff . In heart failure , the heart's main pumping chambers ( ) can become stiff and not fill properly between beats . In some cases of heart failure , the heart can become damaged and weak , and the ventricles stretch ( ) to the point where the heart cannot pump throughout the body .
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