As with ACE inhibitors you may experience a drop in your blood pressure, so will have it checked regularly and blood tests to check your kidney function.

Again these may be taken in one dose or split dosages. The same principals apply, start low and build up gradually. They work by relaxing your blood vessels therefore enabling the heart to do less work.

These drug work very similar to ACE inhibitors, and tend to be given if a patient can’t tolerate ACE inhibitors