Verified answer

In addition to what Sinus Rhythm said (Dylan was better, seems strange to call you Sinus Rhythm!!!) anyway an echo provides better information over blood tests and ECG with respect to certain conditions and directly tells the cardiologist about the function and efficiency of the heart so it is just about being comprehensive, it is an easy non invasive pain free procedure so stress less because that is good for your heart.....cheers

Being frightened accomplishes nothing, following up with a cardiologist accomplishes a lot more.

Time to be an adult.

echo -Cardiograhms are the cheaper alternative to find Problems in the heart and and valves... an Xray is good but is a picture not moving

Floroscopes (the moving versions or Xrays) give off so much radiation It could cause cancer

CAT scans are time consuming also expensive to operate...

Echo's/ sonograhm are more portable cheeper to operate and show everything... things such as Aortic Aneurysms, will show up

The Doctor Just wants to exclude any major cardiovascular Disease that you could possibly have because of your Family history. And to make sure your heart is Healthy

Good luck