Brainscape's Knowledge GenomeTM

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


See full index

Med Lab > ECG > Flashcards

ECG Flashcards

1
Q

what does P wave confirm?

A

SA node (atria) health

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

what is job of bundle of His

A

send message to Purkinji fibers

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

what happens during QRS complex

A

ventricular depolarization and atrial repolarization (hidden)

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

proper term for Resting

A

polarization

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

v3 produces what deflection

A

more positive than v1 and v2

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

what does ECG do to augmented lead readings

A

amplifies reading by 50%

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

v2 produces what deflection

A

negative

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

tachycardia means what

A

more than 100bpm

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

ion movement during depolarization

A

sodium moving IN

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

where is v1 placed

A

4th intercostal R of sternum

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

what does less than 60bpm mean

A

bradycardia

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

what happens during T-P interval?

A

relaxation and resting

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

2 possible reasons for wandering baseline

A
  • loose electrodes

- patient moved

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

where are augmented leads attached

A

limbs

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

bradycardia means

A

less than 60bpm

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

what are the 3 sets of leads on ECG called

A
  • standard leads
  • augmented leads
  • precordial leads
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what are standard leads designated

A

I, II, III (roman numerals 1, 2, 3)

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

2 other words for relaxation

A
  • diastole

- repolarization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

v4 produces what deflection

A

more positive than v1 and v2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

where is v2 placed

A

4th intercostal L of sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

ion movement during polarization

A

NO ion movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

relaxation - proper name

A

repolarization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

where is v3 placed

A

between v2 and v4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

v1 produces what deflection

A

negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

v5 produces what deflection

A

positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what does Einthoven’s Law mean

A

deflection of lead I + III = II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

where is v6 placed

A

5th intercostal mid axilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

how long does a heart beat last

A

0.8seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what action occurs when heart is polarizing

A

resting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

augmented leads are designated as

A

aVR
aVL
aVF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

where are standard leads applied on the body

A

patient’s limbs (arms and legs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what does more than 100bpm mean

A

tachycardia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

what is the Pathway of Conduction

A

SA Node > AV Node > Bundle of His > Purkinji Fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

to confirm standard leads are connected properly, consider what?

A

Einthoven’s Law

35
Q

what are precordial leads designated

A

v1 to v6

36
Q

where are precordial leads attached

A

to the chest

37
Q

aVF produces what defection

A

positive deflection

38
Q

what action occurs when a portion of the heart is repolarizing

A

relaxation

39
Q

which wave indicates SA node health

A

P wave

40
Q

what standard lead is the ground

A

right leg

41
Q

ion movement during depolarization

A

sodium (Na) ion moves IN

42
Q

which tracing are produced through same leads

A
  • standard leads

- augmented leads

43
Q

what does QRS complex confirm

A

AV node (ventricle) health

44
Q

if patient is missing a foot, where is electrode placed

A

anterior of thigh above knee

45
Q

ion movement during repolarization

A

potassium moving OUT

46
Q

precordial leads are what? why?

A

unipolar, always maintain same polarity

47
Q

3 possible reasons for a somatic tremor

A
  • shivering
  • anxiety
  • Parkinsons
48
Q

where is v4 placed

A

5th intercostal midclavicular

49
Q

if patient is missing a leg, where is electrode placed

A

abdomen, either side of umbilicus

50
Q

which wave indicates AV node health

A

QRS

51
Q

why do augmented leads need to be amplified

A

atria walls thinner, they have less cardiac cells and have less ion movement

52
Q

how long does the heart relax during heart beat

A

0.4 seconds

53
Q

4 possible reasons for AC interference

A
  • cell phone in pocket
  • bed touching wall
  • buzzing lights
  • electrical equipment
54
Q

aVL produce what deflection

A

either negative or positive deflection

55
Q

why is ECG called 12 lead, when there are only 10

A
  • lead on right leg is ground and doesn’t count

- standard and augmented leads are read through same leads (each counts as 2)

56
Q

AV node/QRS complex determine health of what

A

ventricles

57
Q

bpm with normal heart rate

A

72bpm

58
Q

2 other words for contraction

A
  • systole

- depolarization

59
Q

standard leads are what? why?

A
  • bipolar

- left arm changes polarity

60
Q

augmented leads are what? why?

A
  • unipolar

- always maintain same polarity

61
Q

aVR produce what deflection

A

negative deflection

62
Q

what happens during P wave

A

atria in depolarization

63
Q

SA node / P wave determine health of what

A

atria

64
Q

contraction - proper term

A

depolarization

65
Q

ion movement during polarization

A

no movement

66
Q

how long does the heart contract during a heart beat

A

0.4 seconds

67
Q

what happens at the end of T wave

A

ventricles rest

68
Q

what speed does an average ECG record at

A

25mm per second

69
Q

how long does P wave last

A

0.1-0.12 seconds

70
Q

the heart acts as a negative pole for which leads

A
  • augmented leads

- precordial leads

71
Q

how long does QRS complex last

A

0.1-0.12 seconds

72
Q

what leads are read on the frontal plane

A

standard and augmented leads

73
Q

what action occurs when a portion of the heart is depolarizing

A

contracting

74
Q

what is a somatic tremor

A

small muscle movement

75
Q

how long does T wave last

A

0.12-0.2 seconds

76
Q

how does a wandering baseline show on ECG

A

large deflection way from baseline

77
Q

where is v5 placed

A

5th intercostal anterior axilla

78
Q

how does a somatic tremor show on ECG

A

small irregular inflections

79
Q

what do augmented leads record

A

atrial contraction

80
Q

what happens at the beginning of T wave

A

atria rests

81
Q

what do Purkinji fibers do

A

exude most force causing ventricles to contract

82
Q

how does AC interference show on ECG

A

multiple small regular inflections

83
Q

what happens during T wave

A

ventricular reppolarization

84
Q

ion movement during repolarization

A

potassium (k) ion moves OUT

Med Lab (13 decks)

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