Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

aha > EKG review ! > Flashcards

EKG review ! Flashcards

1
Q

the interval from the peak of one QRS complex to the next. It’s used as an indicator of regularity when evaluating the heart’s rhythm on an EKG

A

R-R interval

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

portion on the EKG wave from the end of the P wave to the beginning of the QRS complex, lasting about 0.1 secs.

A

PR interval

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

a cluster of special muscle fibers located in the right atrial wall of heart considered to be the primary pacemaker of the heart.

A

SA node

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

change of the electrical polarity of a membrane because of flow or iron in and out of the cell across the cell membranes.

A

depolarization.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

the restoration of electrical polarity via an increase in iron differential between cell membranes of the myocardium

A

repolarization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

the electrical sensors placed on the chest to record the bioelectrical activity of the heart.

A

electrode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

specialized heart conducting tissue that receives impulses from the SA node and propagates them to the ventricles

A

AV node

(atrioventricular)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

EKG representation of the heart’s electrical impulse as it passes through ventricles.

A

QRS complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

a single-led EKG recording used to evaluate the pt.’s rhythm.

A

rhythm strip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

corresponds to rapid ventricular repolarization

A

T wave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the normal cycle of electrical stimulation of the heart that begins in the SA node, traveling to the left atrium and down to the AV node

A

sinus rhythm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

pertaining to the heart

A

cardio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

toward the midline of the body

A

medial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

front of the body

A

anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the two lower chambers of the heart

A

ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

back of the body

A

posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

outermost layer of the heart; thin layer of connective tissue and fat and containers the coronary arteries

A

epicardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

pertaining to blood vessels

A

vascular

19
Q

divides the right and left chambers of the heart

A

septum

20
Q

atria

A

upper chambers of the heart

21
Q

difference in electrical charge on either side of a cell membrane for myocardial cells

A

action potential

22
Q

movement of molecules from an area of higher concentration to an area of lower concentration

A

diffusion

23
Q

when the atria and ventricles contract

A

systole

24
Q

when the ventricles and atria relax

A

diastole

25
Q

pulmonary circut

A

refers to the blood circulation between the heart and lungs

26
Q

systemic circut

A

refers to the blood circulation between the heart and the body

27
Q

regurgitation

A

blood leaks back into the chamber it came from

28
Q

depolarization

A

change in electrical charge from negative to positive – contraction

29
Q

repolarization

A

change in electrical charge from positive to negative – relaxing

30
Q

bigeminy

A

every other beat

31
Q

trigeminy

A

every third beat

32
Q

unifocal

A

all PVC’s on an EKG are identical in appearance

33
Q

multifocal

A

the PVC’s are different on the tracing

34
Q

what is the normal measurement of the QRS complex?

A

<0.12 seconds

35
Q

what happens if the R-R intervals are not evenly spaced out?

A

irregular rhythm

36
Q

You are watching the monitor at the nurse’s desk and notice a client’s rhythm turns from normal sinus rhythm to this rhythm (mostly flat line). What should you do?

A

check leads and the client

37
Q

you are working in the ICU and you are assessing your client when all of a sudden they become unresponsive, but they have an organized rhythm on the monitor. what is your priority?

A

check for pulse

38
Q

an EKG is actually

A

a graph

39
Q

which of the following is not a direct indicator of a person’s cardiac health?

A

temperature

40
Q

the place where the electrical current starts and is considered the heart’s pacemaker:

A

sino-atrial node

41
Q

in terms of electrical activity and EKGs no energy refers to….

A

baseline (isoelectric line)

42
Q

the EKG has small pads for conductivity called?

A

electrodes

43
Q

average heart rate is?

A

60 - 100 bpm

44
Q

universal standard for ordering an EKG is at a speed of?

A

25 mm / second

aha (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions