Stress test or ergometric test is a study used to diagnose heart artery disease (coronary artery disease).
This test is performed in a conditioned place with a treadmill or an exercise bike and consists of subjecting the patient to a physical exercise of progressive intensity starting from a state of rest until reaching the maximum level of physical resistance and continuing the evaluation until complete post-exercise recovery.
For the stress test, electrodes are attached to the chest which are connected to conductive wires that carry the heart’s electrical activity signals to a device called an electrocardiograph, which is responsible for transforming these signals into a continuous graphic record that provides information on the behavior of the patient’s heart during the procedure. This study allows us to detect the presence of coronary artery disease in patients who have an electrocardiogram that may be normal at rest. In addition, it allows us to evaluate the behavior of blood pressure (pressor response) and heart rate (chronotropic response) to physical exercise; it is also useful to clarify the cause of some symptoms reported by the patient that occur in relation to physical activity.
This procedure can take about 40 minutes and requires a previous preparation by the patient according to some specifications given by the physician, taking into account the characteristics of the test and the patient’s clinical history.