| http://www.w3.org/ns/prov#value | - If there is a normal ejection fraction, associated health problems should be treated.[11] Diuretics are useful for preventing fluid retention and thus recommended.[12] Sometimes, depending on the cause, an implanted device such as a pacemaker or implantable cardiac defibrillator may be useful.[11] A ventricular assist device or occasionally a heart transplant may be recommended in those with seve
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