<s>[INST] I have been experiencing swelling in my right leg, especially around my ankle, the back of my leg is sore. How do blood clots feel and look if this is problem with the soreness on back of leg? I am on meds for hypertension, have a pacemaker defifib, and told recently have kidney damage. I am waiting on doc apt for results from an Ultra sound for kidneys, in mean time my cardio took me off my water pill, and Lisinopril 40mg because of finding the kidney damage. [/INST] Hello, I have studied your case.Your symptoms suggest possibility of Deep vein thrombosis.Ultrasonography/colour Doppler leg will help to rule pathology leading to pain and swelling like deep vein thrombosis. I will advise you to do repeat MRI spine to see for any nerve compression.Consulting your doctor infection can be ruled out; antibiotic can be started according to examination.If required you may need to do blood investigation for prognosis and recovery.I will advise to check your vit B12 and vit D3 level.Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries. Wishing you good health.Take care. </s>