Q: My hypertension has been treated for many years with lisinopril 20 mg daily and amlodipine 5 mg daily. These medications seem to have little effect on my numbers. My systolic readings are in the range of 140 to 165, while my diastolic readings are in the 50s. I recently came across an article on the topic of isolated systolic hypertension, in which a physician pointed out that this form of ...