It is one of my diagnosis.I also have carotid artery disease,peripheral artery disease, coronary artery disease carotid stenosis, cholesterol issues, and Reflex Sympathetic Dystrophy which led to bilateral AKA. I had coronary bypass in nov. , double stents in another artery, renal artery stenosis which was stented in Jan.My nephrologist and cardiologist are actively looking for a cause. Bp meds have included labetalol, metoprolol, isosorbide, Cartia XT, clonidine, chlorthalidone and spironolactone. I am currently off all those meds and on an old school drug my cardiologist has resurrected called reserpine. I was admitted to hosp. about a month ago with a pressure 260/140.Discharged about 10 days ago on the reserpine .25.initially there was some response however numbers are creeping back up again with a pressure today of 204/110 and yesterday 214/121.