Echocardiogram (echo). This procedure evaluates the composition and function of the guts through the use of audio waves recorded on an Digital sensor that develop a going photo of the guts and heart valves. Most likely the first test which will be done can be an electrocardiogram (ECG or EKG). https://www.sgvascularctr.com/aortic-aneurysm-a-guide-to-understanding-the-risks-and-treatment-options-in-singapore/