I am a 67 year old female and I'm having problems with shortness of breath, extreme weakness, low to high blood pressure, and feeling faint, especially outdoors. This has been going on about 3 months. I also have swelling of ankles and stomach as the day goes on. I have asthma, but this is different. The symptoms are different from asthma. I don't have diabetes, thyroid, or anemia problems. I am worried it might be early symptoms of heart failure. My last EKG was ok 4 months ago.