1. symptoms now
The first problem sounds like a congestive cardiac failure. Now where the EKG is normal, the possibility is that the echocardiography may show some changes. So I will suggest an echocardiography.2. Pressure sores and redness are common, one need not worry too much about it. However, if you can upload an image of the lesion, we can help you better by looking at the lesion3. Spine pain and trauma may often cause similar symptoms. I will suggest the test of MRI of the affected part of the spine. Let us know the reports, so we can help you further Best of luck Chat Doctor.