A normal electrocardiogram result shows a regular rhythm of 60 to 100 wave sets per minute, claims WebMD. An EKG strip displays wave sets for each heartbeat where within each heartbeat the spikes and dips are labeled P t... More »

Causes for abnormal electrocardiogram results include damage to the heart muscle, a congenital heart defect, swelling or fluid in the sac around the heart, and inflammation of the heart, explains MedlinePlus. Other poten... 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 »

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Some information found in a 12-lead electrocardiogram interpretation includes the number of beats per minute, the regularity of the heart's rhythm and whether the wave tracings appear normal, according to WebMD. A 12-lea... More »

According to the National Institutes of Health, an EKG, or electrocardiogram, can show if a patient is having issues with his heart's electrical system. An EKG is a diagnostic tool that doctors can use to determine if a ... More »

An abnormal electrocardiogram indicates heart rhythm abnormalities, damage to the heart muscle or problems with the amount of electrolytes in the blood, notes MedlinePlus. During an ECG, a technician uses electrodes, wir... More »

The marks on an electrocardiogram are called waves, and abnormal waves may indicate an abnormal heart rhythm, also known as arrhythmia, explains WebMD and MedlinePlus. Other causes of abnormal waves on an ECG include dam... More »