An electrophysiological study (EP study) is a test used to evaluate your heart’s electrical system and to check for abnormal heart rhythms. Natural electrical impulses coordinate contractions of the different parts of the heart. This helps keep blood flowing the way it should.
Efficacy refers to how well a treatment, intervention, or device works under ideal, controlled conditions. In medical research, efficacy is typically measured in clinical trials where patient populations, dosing, and follow-up are carefully standardised. It is distinct from effectiveness, which describes how well a treatment works in real-world clinical practice, where patients are more varied, … Read more
A test to measure the heart’s electrical activity with each heart beat. Wires are attached to the skin of the arms, legs and chest, using soft, stickon discs (called ‘electrodes’). A tracing is printed on paper and gives information about the heart rate and regularity, as well as providing data about enlargement of the heart … Read more