To understand how an Echo works ... Also called an exercise stress echocardiogram, the stress test is designed to monitor the ...

And the results are over 95% accurate." An echo test involves ultrasound-- high-frequency sound waves -- to evaluate the function of heart muscle and valves, the same technology used to ensure a ...

It's a common form of heart disease. Does your heart respond well to exertion? That's what a stress test looks for. Here's a straightforward description. If you need to have bypass surgery ...