River Region Cardiology Associates is one of the leading cardiovascular care providers in central Alabama. Located in Montgomery, Ala., the center performs a series of noninvasive procedures, such as treadmill stress test, electrocardiogram, echocardiogram as well nuclear imaging. Its invasive procedures are diagnostic cardiac catheterization, coronary angiography, intravascular ultrasound imaging and endomyocardial biopsy. River Region Cardiology Associates also specializes in percutaneous transluminal coronary angioplasty, a method of treating the narrowing of a coronary artery by inserting a specialized catheter with a balloon attachment.