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Glossary
AHA. An abbreviation for American Heart Association. The AHA electrode labeling scheme is most
commonly used in the United States.
audit trail. A collection of information about user activity. The audit trail, which can be enabled or disabled,
may be helpful or even required for record-keeping.
Auto ECG. A report typically showing a 10-second acquisition of 12 leads of ECG information combined
with patient data, interpretation, and measurements matrix. Two user-defined formats are available:
Auto Report 1 and Auto Report 2. See also
Rhythm ECG.
Auto Save. A feature that automatically saves all Auto ECGs (except
stat ECGs) to the test directory.
Auto Send. A feature that automatically sends all Auto ECGs (except
stat ECGs) to the option of your
choice: SD memory card/removable USB storage device or CardioPerfect workstation.
average cycles. Dominant waveforms for all 12 leads. Printed on a separate page, if enabled.
CardioPerfect workstation. A PC using Welch Allyn CardioPerfect software. Stores ECG and spirometry
test data. Can communicate with other electronic patient-information systems, such as billing and
medical records.
confirmed, unconfirmed. Status of an Auto ECG report’s interpretation. Indicates whether the report has
been reviewed and accepted by a qualified physician.
electrocardiogram (ECG). A record of the electrical currents associated with heart muscle activity.
Sometimes called
EKG for the German term, Elektrokardiogramm. See also Auto ECG; Rhythm ECG.
electrocardiograph. An instrument used to create electrocardiograms (ECGs).
EMR. Electronic medical record. Also refers to the software system that manages electronic medical
records. An EMR system can connect to medical devices to download a list of scheduled patients
(orders) or to upload completed tests.
extended measurements. Values for several common parameters, such as Q, R, and S amplitude and
ST values. The amplitudes are expressed in microvolts. The durations are expressed in milliseconds.
The measurements cannot be edited. Printed on a separate page, if enabled.
IEC. An abbreviation for
International Electrotechnical Commission. The IEC electrode labeling scheme is
most commonly used in Europe.
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