High blood pressure can lead to a number of serious health conditions such as heart failure, stroke, and heart disease. You may already be aware that you suffer from high blood pressure after having your blood pressure tested by your doctor, but a 24 or 48 hour blood pressure test is a more accurate measure of how hard your heart is working over an entire day or multiple days.
If you have been offered medication to lower your blood pressure, then 24 or 48 hour monitoring will give your GP a more accurate reading of your blood pressure to determine what medication you require.