An EKG test is used to check the electrical activity of a patient's heart. These are often done in order to monitor how medication is working for a patient, to check the rhythm of the heart and, in some cases, to check i... More »

EKG and ECG stand for electrocardiogram, which is a test that evaluates the electrical activity of the heart, according to WebMD. The electrical activity is transmitted onto paper in the form of waves. These line tracing... More »

www.reference.com Health Diagnostics & Imaging

To read an EKG practice test strip, begin by counting the number of QRS-complexes in a six-second interval and multiplying that number by 10 to determine the heart rate. Each large square on the EKG paper represents 0.20... More »

An EKG is interpreted by systematically analyzing the waves, intervals and segments of the heart’s electrical activity and determining if there are any abnormalities in the tracing, according to Queen’s University School... More »

www.reference.com Health Diagnostics & Imaging

To read an EKG practice test strip, begin by counting the number of QRS-complexes in a six-second interval and multiplying that number by 10 to determine the heart rate. Each large square on the EKG paper represents 0.20... More »

Different heart conditions and problems can cause abnormal EKG readings, including congenital heart defects, an enlarged heart, poor blood supply flowing to the heart and arrhythmia, according to MedlinePlus. An EKG, or ... More »

An echocardiogram is a test that looks at the heart's activity through ultrasound waves, according to WebMD. It is used when doctors need to diagnose heart conditions such as heart disease or monitor a heart condition. More »