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.
What does an electrocardiogram show? The electrodes on the different parts of the body detect electrical impulses coming from different directions within the heart. There are normal patterns for each electrode. Various heart disorders produce abnormal patterns. The heart disorders that can be detected include: Abnormal heart rhythms. If the heart rate is very fast, very slow, or irregular. There are various types of irregular heart rhythm with characteristic electrocardiogram (ECG) patterns. A heart attack (myocardial infarction) and if it was recent or some time ago. A heart attack causes damage to heart muscle and it heals with scar tissue.