My husband has had 5 bypasses 12 yes ago, vascular bypass in one leg two years ago, and bypass from rt leg to lt leg, 4 heart attacks last heart attack in oct 2012, and now has heart pumping ejection of 20%. Is there anything he can do to increase out put in the heart? What would the prognosis be? Sneaking cigarettes, eating bad and cannot excerise do to need of knee replacement...... There is talk about putting a difibulator in him and he is a diabetic! He is 59 years old