A graphic recording of the electrical activity of the heart. (Each EKG wave form represents a single electrical impulse as it travels through the heart.)
Exercise Stress Test:
An exercise stress test records heart rate and rhythm while walking on a treadmill, tracking the heart’s response to exercise. The level of exercise is gradually adjusted to achieve an increase in heart rate and blood pressure.
A complete ultrasound of the heart muscle that measures chamber size (thickness and volume) and evaluates valves and blood flow. This is performed with an ultrasound probe placed on the chest wall.
Transesophageal Echocardiograms (TEE):
A cardiac exam utilizing ultrasound images obtained through placement of a small device called a transducer mounted on the tip of a gastroscope and maneuvered through the esophagus to the level of the heart to visualize the heart and valves. These are done when the usual transthoracic (TTE) images are inadequate.
A treadmill stress test together with a complete echocardiogram (prior to exercise) followed by another echocardiogram to assess wall motion after exercise is completed. For patients who cannot walk on a treadmill, a medication can be given in place of physical exercise — used when other forms of stress testing is impractical or impossible.