Cardiac Dys 1

Question 1

Define P wave

Answer 1

P wave represents atrial depolarization

Question 2

Define P wave

Answer 2

P wave represents atrial depolarization

Question 3

Define QRS complex

Answer 3

QRS complex represents ventricular depolarization

Question 4

Define T wave

Answer 4

T wave represents ventricular repolarization

Question 5

Define U wave

Answer 5

U wave represents repolarization of Purkinje fibers, hypokalemia, hypertension, or heart dx

Question 6

What is normal rage of the PR interval?

Answer 6

0.12 - 0.20

Question 7

Duration of QRS interval?

Question 8

QT interval normal range?

Answer 8

0.35 - 0.40

Question 9

PP interval signifies what?

Answer 9

atrial rhythm and rate

Question 10

RR interval signifies what?

Answer 10

ventricular rate/rhythm

Question 11

Define NSR (normal sinus rhythm)

Answer 11

when rhythm originates from the SA node

Question 12

Define sinus bradycardia

Answer 12

same initiation as NSR but the rate falls below 60

Question 13

Define sinus tachycardia

Answer 13

same initiation as NSR but rate is greater than 100

Question 14

What waveform will vary/change with atrial dysrhythmia?

Answer 14

P wave

Question 15

Define premature atrial contractions

Answer 15

• occurs when atrial tissue gets irritable

- causes are stress, fatigue, anxiety, infection, caffeine, meds

Question 16

Define atrial fibrillation

Answer 16

chaotic/disorganized electrical activity in the atria

Question 17

Define QRS complex

Answer 17

QRS complex represents ventricular depolarization

Question 18

Define T wave

Answer 18

T wave represents ventricular repolarization

Question 19

Define U wave

Answer 19

U wave represents repolarization of Purkinje fibers, hypokalemia, hypertension, or heart dx

Question 20

What is normal rage of the PR interval?

Answer 20

0.12 - 0.20

Question 21

Duration of QRS interval?

Question 22

QT interval normal range?

Answer 22

0.35 - 0.40

Question 23

PP interval signifies what?

Answer 23

atrial rhythm and rate

Question 24

RR interval signifies what?

Answer 24

ventricular rate/rhythm

Question 25

Define NSR (normal sinus rhythm)

Answer 25

when rhythm originates from the SA node

Question 26

Define sinus bradycardia

Answer 26

same initiation as NSR but the rate falls below 60

Question 27

Define sinus tachycardia

Answer 27

same initiation as NSR but rate is greater than 100

Question 28

What waveform will vary/change with atrial dysrhythmia?

Answer 28

P wave

Question 29

Define premature atrial contractions

Answer 29

- occurs when atrial tissue gets irritable | - causes are stress, fatigue, anxiety, infection, caffeine, meds

Question 30

Define atrial fibrillation

Answer 30

chaotic/disorganized electrical activity in the atria