I was diagnosed with CHF/Cardiomyopathy about 2 years ago. The symptoms I had were:
A heaviness or pressure on my chest
(also a pink, foam
swelling in feet and legs
being out of breath (all the time)
You should get checked out, just in case. When I had these symptoms, they didn't go away until I got on Lisinopril and a diuretic. Later, Coreg was added to my meds and I feel much better now.