records the heart’s electrical activity. It shows how fast the heart is beating and its rhythm (steady or irregular).
4. Echocardiography: An echocardiogram uses ultrasound waves to display the movements of the heart as it beats. The image produced allows doctors to measure precisely the dimensions of the heart, to view the structures of the heart (such as the heart valves), and to assess any damage to the heart muscle.
5. Computed Tomography Scan: This procedure creates computer-generated pictures and can show hardening and narrowing of large arteries.
6. Stress Test: For this test, you exercise (or are given medicine if you are unable to exercise) to make your heart work hard and beat fast while heart tests are done. A stress test can show possible signs of CAD.
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7. Angiography: An angiogram (also known as cardiac catheterization) is a diagnostic test that involves inserting a small, flexible tube (catheter) into an artery in the wrist or groin. The catheter is threaded up through the artery, into the aorta and is positioned at the entrance to the coronary arteries.
A specialized x-ray dye containing iodine is injected through the catheter and into the coronary arteries. The x-ray dye is able to be seen on an x-ray screen and produces an outline of any narrowing or blockages in the arteries. Heart function and efficiency can also be assessed during this test.
8. Nuclear Isotope Imaging: Nuclear isotope imaging involves the
