Electrocardiogram Flashcards

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1
Q

Identify the waveforms found in a normal ECG.

A

P wave
QRS complex
T wave
ST segment
PR interval

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2
Q

In an ECG reading, which wave represents depolarization of the atrium?

A

P wave

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3
Q

In an ECG reading, which complex represents depolarization of the ventricle?

A

QRS complex

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4
Q

What does the PR interval represent?

A

The time required for the impulse to travel from the atria through the AV node.

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5
Q

If the U wave is most prominent, what condition might the nurse suspect?

A

Hypokalemia

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6
Q

Describe the calculation of the heart rate using an ECG rhythm strip.

A

Count the number of RR intervals int he 30 large squares and multiply by 10 to determine the heart rate for 1 minute.

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7
Q

What is the most important assessment data for the nurse to obtain in a client with an arrhythmia?

A

Ability of the client to tolerate the arrhythmia.

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