Chapter 26

Question 1

This arrhythmia occurs when there is a disruption of the electrical impulse through the heart

Answer 1

Heart block

Question 2

What interval represents atrial depolarization

Answer 2

PR wave

Question 3

What wave represents the repolarization of the ventricles?

Answer 3

T wave

Question 4

Which structure is created from the repolarization of the ventricles

Answer 4

T wave

Question 5

What wave represents atrial depolarization?

Answer 5

P wave

Question 6

What state creates electrical activity that can be picked up on the ECG tracing?

Answer 6

Polarized and repolarized state

Question 7

The PR segment follows the P wave and appears as an isoelectric line ?

Answer 7

True

Question 8

Which recorder is used to monitor the heart over a 24 to 48 hour period while patient goes ok with their activities?

Answer 8

Holter monitor

Question 9

The patients heart rate is 38 beats per minute. What changes should you make before obtaining the tracing?

Answer 9

Decrease the chart speed

Question 10

The valve between the left upper and lower chambers of the heart is ?

Answer 10

Bicuspid or mitral valve

Question 11

Which wave is a large triangular shape?

Answer 11

R wave

Question 12

A specialized intermodal tract that takes the impulse to the left atrium is?

Answer 12

Bachmans bundle

Question 13

Which artifact appears as jagged peaks with irregular height and spacing and thick looking?

Answer 13

Somatic

Question 14

State where cardiac cells are resting?

Answer 14

Polarized state

Question 15

Adult heart is under 60 beats per min and this normal rhythm for a conditioned athlete?

Answer 15

Sinus bradycardia

Question 16

If you turn a baseline filter it will help decrease what type of artifact?

Answer 16

Wandering baseline

Question 17

Another name for bicuspid valve?

Answer 17

Mitral valve

Question 18

What is true regarding the ST segment?

Answer 18

It is an isoelectric line

Question 19

When there is an artifact on leads I and III the right arm electrode needs to be checked

Answer 19

False left arm

Question 20

On an ECG tracing what represents a period time with no electrical activity?

Answer 20

An isoelectric line

Question 21

What is a deflection from the baseline?

Answer 21

Wave

Question 22

What is it when ventricles quiver uncontrollably the orient has no pulse and is not breathing?

Answer 22

Ventricular fibrillation

Question 23

A signal distortion or unwanted erratic movement of the stylus causes by outside interference?

Answer 23

Artifact

Question 24

A lead wire breaks what artifact would appear on the tracing?

Answer 24

Flatline artifact

Question 25

What ECG wave or segment is a negative deflection and represents intraventricular septal depolarization?

Answer 25

Q wave

Question 26

What ECG wave or segment represents ventricular repolarization?

Answer 26

T wave

Question 27

The ECG Rhythm strip is evaluated from left to right. The following should be assessed?

Answer 27

Rate, rhythm and appearance of the segments waves and intervals

Question 28

Which test stays on patient for 30 days?

Answer 28

Cardiac event recorder

Question 29

What does P wave represent?

Answer 29

First wave in tracing

Question 30

Phase of heartbeat when the heart is at rest and atrial fills with blood?

Answer 30

Diastole

Question 31

Artifact with jagged peaks and spikes?

Answer 31

AC interference

Question 32

What is a contractiva phase of a heartbeat?

Answer 32

Systole

Question 33

Lead III is created using ?

Answer 33

Left arm and left leg

Question 34

Standard leads are also called argumented leads

Answer 34

False

Question 35

Standard leads are measured from negative to positive pole?

Answer 35

True

Question 36

Artifact can occur If you put electrode on bony area or with breathing movements?

Answer 36

Wandering baseline

Question 37

What happens if leas wires are wrapped closely?

Answer 37

AC interference

Question 38

Patient heart rate is 100 beats per minute what do you need to change?

Answer 38

Increase chart speed

Question 39

What blood vessels that carry oxygen rich blood lungs to heart?

Answer 39

Pulmonary vein

Question 40

On an ECG tracing what is made up of many waves?

Answer 40

Complex

Question 41

What is another name for interventicular bundle?

Answer 41

Bundle of his/ AV bundle

Question 42

Upward movement away from baseline in ECG tracing?

Answer 42

Positive deflection