<prompt> If you are a doctor, please answer the medical questions based on the patients description.I had angioplasty with two stents after heart attack last year , having burning senstion below the knee cap and want to know the reson for the same. At present I am taking i- Astrovatin 20 mg. ODii- Embeta XR 25 mg ODiii Pantop 40mg. BBFiv Coversyl 2mg. ODv- Clavix -AS-150 mg. OD  <response>: Hello, As the Age of Patient not mentioned, and also whether the Patient is Diabetic or not, I Suggest my Clinic Patients with Similar Complaints, to get these tests done:1 FBS, PLUS HbA1c2 X-ray both Knee joints AP LATERAL VIEWS STANDING POSITION ALSO3 VIT-D3 25-OH4 VIT-B12Your Case needs the Involvement of an orthopaedician, So Please Consult an Orthopaedician after having these lab tests done. Hope I have answered your query. Let me know if I can assist you further. 