There are many advantages and disadvantages of using coal energy to produce electricity. Its advantages and disadvantages are the following: Advantages of using coal to produce electricity: Coal energy is an affordable energy source because of the coalâs stable price compared to other fuel sources; Coal is easy to burn
An ECG can detect abnormalities in your heart's rhythm and certain patterns that suggest portions of the heart may not be getting enough blood flow. The ECG may also show whether you are having a heart attack or find evidence of a previous heart attack. However ECGs are not perfect tests.
Diagnostic Testing. An echocardiogram (ECG) is a primary diagnostic tool used by a cardiologist to determine a patient's heart health. In addition to being able to technically perform an ECG test, a cardiologist is also required to interpret the results. Cardiologists also interpret the results of blood and urine tests, review reports of stress tests, and conduct cardiac catheterization tests using a micro-camera to review video inside a heart.