DEAR MAYO CLINIC: My mother is 62 and has had very low blood pressure for two years. She was hospitalized with blood pressure that dropped from 200/78 in bed to 60/40 sitting up. What could be causing this and what can be done to treat her?

Chicago Tribune by John Graves, M.D., Nephrology/Hypertension, Mayo Clinic

Tags: blood pressure, Chicago Tribune, Dr. John Graves, Hypertension, Medical Edge, Nephrology