Beyond acute ACS protocol medications (antithrombotics and statins), she was started on guideline-directed heart failure therapy, including a beta-1 selective blocker (bisoprolol 2.5 mg daily) and an angiotensin-converting enzyme (ACE) inhibitor (lisinopril 2.5 mg daily) due to the severely reduced LVEF. The gene discussed is ACE; the disease is heart failure.