marginally significantP = 0.048
There was a small and marginally significant improvement in LVEF with combination β-blocker/digoxin compared with placebo/digoxin after 4 months of treatment (30.6 ± 9.6% vs. 26.0 ± 12.4%; P = 0.048). 56 Calcium channel blockers Non-dihydropyridine calcium channel blockers (verapamil or diltiazem) are not recommended in patients with signific