An electrocardiogram and echocardiogram (echo) are both noninvasive imaging tests that look at the functioning of your heart and can help identify heart disease. An electrocardiogram (EKG or ECG) and ...
Most echocardiograms don’t require extensive preparation. If you’re having a transesophageal echocardiogram, you may need to fast for several hours before your procedure. Unlike several other types of ...