Which diagnostic tests are typically performed to evaluate a patient suspected of having mitral stenosis?
a) Echocardiogram (ECHO) followed by cardiac catheterization, 12-lead electrocardiogram (ECG), and chest X-ray
b) Cardiac catheterization followed by ECHO, chest X-ray, and 12-lead ECG
c) 12-lead ECG followed by ECHO, cardiac catheterization, and chest X-ray
d) Chest X-ray followed by ECHO, cardiac catheterization, and 12-lead ECG