Consult the information below to find out if you are required to file a 2017 tax return: Minimum Income Requirements to File a Tax Return. Other Reasons to File a Tax Return. Requirements for Dependents to File a Federal Income Tax Return. Reasons You May Want to File a Tax Return. Taxable vs Nontaxable Income
An abnormal EKG can mean many things. Sometimes EKG abnormalities are a normal variation of a heartâs rhythm, which does not affect your health. Other times, an abnormal EKG can signal a medical emergency, such as a myocardial infarction (heart attack) or a dangerous arrhythmia. An EKG can determine if the heart is beating too fast or too slow. 2  Heart rhythm abnormalities. 3  A heart typically beats in a steady rhythm. 4  An EKG can reveal if the heart is beating out of rhythm or sequence. 5  Medication side effects.
What Is a Signal-Averaged Electrocardiogram? An electrocardiogram (also called EKG or ECG) is a test that records the electrical activity of your heart through small electrode patches attached to the skin of your chest, arms, and legs. An EKG may be part of a routine physical exam or it may be used as a test for heart disease. An EKG can be used to further investigate symptoms related to heart problems. EKGs are quick, safe, painless, and inexpensive tests that are routinely performed if a heart condition is suspected.