2 years after bypass & this wk's echo results

My 84-year-old Mom recently was diagnosed as being in heart failure; was having breathlessness at the end of sentences and shortness of breath when walking. She had triple bypass in Dec. 2007. The doctor did blood work (including BNP, thyroid levels, checked for anemia, etc.), chest X-ray (which showed fluid on the lungs), and EKG (which showed probable old heart attack somewhere along the line.) Her internist told her it's possible the bypass is failing and he also expressed concern about her loud heart murmur.  

He ordered an echocardiogram which was done this week Monday. We don't have the numbers or a hard copy yet, but they just read us the cardiologist's conclusions: Diastolic dysfunction but heart function OK. Ejection fraction 50-55%. Abnormal left ventricle diastolic filling consistent with impaired relaxation. Right ventricle mild to moderately dilated. Moderate aortic sclerosis; no aortic stenosis. Mild mitral regurgitation. Mild tricuspid regurgitation. No pericardial effusion. The cardiologist noted that the quality of the test was fair (which concerns me.)

They have not adjusted her meds based on these echocardiogram findings. She is on Diovan, Metoprolol, Lipitor, Fosamax, aspirin, a multivitamin, Vitamin D, Vitamin C, and an antidepressant (I can't recall the name right now). He also put her on Lasix 20 mgs daily starting last week.

My Mom has already told her internist she does not want to go through any more cardiac diagnostics (no stress test, no heart catherization, etc.) She has hydrocephalus and went through 2 brain surgeries for brain shunt failures within 7 months of having open heart surgery (horrific 2nd brain surgery course), plus got C. Diff. infection which finally cleared up after 9 long months of all kind of doctoring. She's kind of had enough poking and prodding.

My question is, with only a fair quality echo. and the above findings, is that enough information for the doctor to appropriately adjust her medications for the best possible quality of life? Thanks for any help or thoughts you can share.  

[Yvette BG]

Oops--Correction. Mom is 82; Dad (who is also having health problems right now) is 84....