Electrocardiography

Definition 1

A procedure which records the electrical current in the heart in the form of a continuous strip graph. The electrocardiography results may determine whether the heart is performing normally or suffering from abnormalities, may indicate coronary artery blockages, can be used for detecting calcium, magnesium and other electrolyte disturbances, allow the detection of conduction abnormalities, indicate the physical shape of a patient during stress test and provide information on the physical condition of the heart. (NCI Thesaurus)

Definition 2

A line graph that shows changes in the electrical activity of the heart over time. It is made by an instrument called an electrocardiograph. The graph can show that there are abnormal conditions, such as blocked arteries, changes in electrolytes (particles with electrical charges), and changes in the way electrical currents pass through the heart tissue. (NCI Dictionary)

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Electrocardiographic Finding

Graphic representation and categorization of the electrical vectors produced by the depolarization and repolarization of myocardial tissue.

Electrocardiographic Change

An electrocardiographic finding of a change in cardiac electrical activity.

Electrocardiograph Lead Placement Location

A position, site, or point on the body where electrocardiogram leads are attached.

Electrocardiogram Vendor Name

The literal identifier of an electrocardiogram vendor.

Electrocardiogram Time Point Reference

A fixed point in time during an electrocardiogram.

Electrocardiogram Time Point Number

The numerical identifier of an electrocardiogram point in time.