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.
An electrocardiogram can be a useful way to find out whether your high blood pressure has caused any damage to your heart or blood vessels. Because of this, you may be asked to have an ECG when you are first diagnosed with high blood pressure. Some of the things an ECG reading can detect are: 1  cholesterol clogging up your heartâs blood supply. 2  a heart attack in the past.  enlargement of one side of the heart.