EKG (quiz 1)

Question 1

EKG/ECG stands for

Answer 1

electrocardiograms

Question 2

what does an EKG do

Answer 2

take picture of a patient’s heart

Question 3

large box represents

Answer 3

0.2 seconds

Question 4

one small box represents

Answer 4

0.04 seconds

Question 5

amplitude

Answer 5

the height which equals 1mm per small box

Question 6

wave forms

Answer 6

P wave, QRS complex, T wave

Question 7

P wave

Answer 7

atrial depolarization

Question 8

QRS complex

Answer 8

ventricular depolarization

Question 9

T wave

Answer 9

ventricular repolarization

Question 10

J point

Answer 10

point to mark end of QRS and beginning of St segment

Question 11

PR interval

Answer 11

atrial and nodal activity

Question 12

PR interval includes

Answer 12

atrial depolarization and delay in the AV node (PR segment)

Question 13

QRS complex

Answer 13

corresponds to the patient’s palpated pulse and is large in size due to reflection of ventricular activity

Question 14

sinus rhythms originate in

Answer 14

the SA node

Question 15

NSR

Answer 15

normal sinus rhythm (normal heart beat)

• 60-100 bpm

Question 16

SB

Answer 16

sinus bradycardia (regular slow heart beat)

• <60 bpm

Question 17

ST

Answer 17

sinus tachycardia (regular fast heart beat)

> 100 bpm

Question 18

inherent rate of

Answer 18

60-100

Question 19

P wave of a sinus rhythm

Answer 19

before each QRS, identical

Question 20

PR interval of a sinus rhythm

Answer 20

.12 to .20

Question 21

QRS of a sinus rhythm

Answer 21

<.12

Question 22

atrial rhythms originate

Answer 22

in the atria

Question 23

atrial fibrillation

Answer 23

a-fib

Question 24

A- fib heart rate

Answer 24

A: 350-650 bpm

V:slow to rapid

Question 25

a-fib rhythm

Answer 25

irregular

Question 26

a-fib P Wave

Answer 26

fibrillatory (fine to course)

Question 27

A-fib does not have a

Answer 27

PR interval

Question 28

a-fib QRS

Answer 28

<.12

Question 29

A-flutter heart rate

Answer 29

A: 220-430 bpm V: <300 bpm

Question 30

a-flutter rhythm

Answer 30

irregular

Question 31

a-flutter QRS

Answer 31

<.12

Question 32

wandering pacemaker is

Answer 32

irregular

Question 33

wandering pacemaker can represent a

Answer 33

blood clot

Question 34

heart rate of a wondering pacemaker

Answer 34

usually <60 bpm

Question 35

P wave and QRS for a wandering pacemaker

Answer 35

variable and <.12

Question 36

multifocal atrial tachycardia (MAT) is also known as

Answer 36

rapid wandering pacemaker

Question 37

MAT rate is usually

Answer 37

>100

Question 38

MAT is usually due to a

Answer 38

pulmonary disease

Question 39

MAT is usually referred to as

Answer 39

SVT

Question 40

MAT QRS

Answer 40

very narrow

Question 41

Wolff-Parkinson white is caused by

Answer 41

an abnormal accessory pathway in the conductive tissue

Question 42

WPW is mainly

Answer 42

non-symptomatic with normal HR

Question 43

(WPW) if rate becomes tachycardic it can be

Answer 43

lethal