My mother is 89 yrs. old, has afib - heart rate run 100 to 128, has congestive heart failure and lost 5 pounds due to Lasic, but is now continue to lose and additional 7 pounds in 1 week. SHe is losing her appetite, and is now showing signs of severe confusion.... not knowing people in the family, including. BP is 108/80 (usually runs a lot higher) , HR 128, O2 94. In morning her lips look a little blue (very faint, but gerd better after she gets up and moves around. SHe had stitch put in in Auguest and then had intestional surgery in oct. when her intestine fell into her hernias and it estrangulated. How would you diagnois her?