Clinical tips: hypertension

Louis Roller takes a look at high blood pressure: the risks, the causes and the treatments Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms.  Long term high blood pressure, however, is a major risk factor for coronary artery disease, stroke, heart