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Intro to Electrocardiogram and Intracardiac Electrograms Quiz

Authored by Elizabeth Olah

Instructional Technology

University

Intro to Electrocardiogram and Intracardiac Electrograms Quiz
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the distance between electrodes in a surface electrocardiogram?

Two or three millimeters

The entire heart

One centimeter

Five millimeters

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of placing electrodes far from the heart in a surface electrocardiogram?

To record only the T wave

To record the entire heart's activity

To record only the ventricular depolarization

To record only the atrial activity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between surface and intracardiac electrogram recording?

The type of electrodes used

The placement of electrodes

The size of the electrodes

The color of the electrodes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the distance between electrodes in a surface electrocardiogram?

It affects the size of the recorded signal

It determines the color of the electrodes

It changes the type of electrodes used

It alters the heart rate

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of a unipolar electrogram recording?

Recording from multiple electrodes

Recording from a single electrode

Recording from external devices

Recording from the skin surface

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a positive deflection in an electrogram indicate?

Movement away from the positive recording electrode

Movement toward the positive recording electrode

No movement of the wavefront

A flat recording

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the polarity of the electrogram when the wavefront moves away from the electrode?

It becomes positive

It remains unchanged

It becomes negative

It becomes neutral

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