Abstract The conventional exercise test is the test most commonly performed in detecting cardiovascular changes and assessing functional capacity, however, when the mechanisms limiting the continuity of exercise before ventilatory etiology or gas exchange, an identification of the probable diagnostic etiology is compromised. In the present case that we approached, the patient had undergone two-dimensional echocardiography that showed normal biventricular function, as well as physiological heart valves and diameters and also underwent exercise testing, which did not show any clinical, […]
