Efficacy testing, investigation of the presence of cardiovascular disease, determination of efficacy of treatment in known cardiovascular disease, determination of irregularity in heartbeats with effort, determination of the arrhythmia, investigation of the ability of the patient to make effort in various heart diseases and ultimately examination of the effects on blood pressure It's a test. During the effort test, the patient walks on a treadmill. The walking speed and inclination are adjusted by the doctor to increase the heart rate. The treadmill test is an examination made by measuring the blood pressure while the person is walking at a certain speed in the walking band and the ECG is taken in series. It enables the detection of abnormal findings that can not be detected at ECG at rest at the end of effort.