88 yr old mother w congestive heart failure...recently in nursing...

88 yr old mother w congestive heart failure...recently in nursing home for rehab..very weak..did have twitching in right leg. has been taking lipitor for over 2 years now. had tests..no one can tell me what wrong with her..pain in foot and legs..body weakness..losing more strength. recently had another urinary infection..previously had swelling in feet and legs. i felt it was her heart...now reading lipitor symptoms..i wonder what else is going on or also going on.