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Electrocardiogram (ECG) > Recalls > Flashcards

Recalls Flashcards

1
Q

3 small squares

A

100 bpm

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2
Q

Picture

A

71-80 bpm

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3
Q

PR segment

A

AV

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4
Q

II, III, AVF

A

Inferior

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5
Q

V1-V4

A

Anteroseptal

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6
Q

V1

A

4th intercostal right

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7
Q

V4

A

5th intercostal midclav

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8
Q

One small box

A

0.04 sec

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9
Q

P wave

A

Atrial depolarization

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10
Q

QRS

A

Ventricular depolarization

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11
Q

T

A

ventricular repolarization

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12
Q

Describe sinus rhythm

A

P precedes QRS

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13
Q

One large box (Horizontally)

A

0.20 secs

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14
Q

One large box (Vertically)

A

0.5 mv

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15
Q

aVlL, I and II

A

Lateral

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16
Q

aVR

A

Right side of the heart

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17
Q

Method 1

A

The Quadrant Method

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18
Q

The most efficient way to estimate axis is to look at ________ and _________.

A

Lead I and lead aVF

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19
Q

The quadrant method

A

Lead I and aVF

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20
Q

Three lead analysis

A

Lead I, Lead II and aVF

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21
Q

Lead 1: Positive

Lead aVF: Positive

A

Normal Axis (0 - +90)

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22
Q

Lead 1: Positive

Lead aVF: negative

A

Possible LAD (0 to -90)

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23
Q

Lead 1: negative

Lead aVF: Positive

A

RAD (+90 - 180)

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24
Q

Lead 1: Negative

Lead aVF: Negative

A

Extreme axis

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25
The usual paper speed is:
25mm/sec
26
QRS axis between -30 and +90
Normal axis
27
QRS axis less than -30
Left axis deviation
28
QRS axis greater than +90
Right axis deviation
29
QRS axis between -90 and 180 (aka "Northwest axis")
Extreme axis deviation
30
Refers to the spontaneous time-dependent depolarization of the cell membrane that leads to an action potential in an otherwise quiescent cell.
Pacemaker activity
31
Any __________ with pacemaker activity can initiate the heartbeat.
Cardiac cell
32
The pacemaker with the ___________________ will be the one to trigger an action potential that will propagate throughout the heart.
Highest frequency
33
6 i all I, II, III, aVL, aVR, aVF
Limb leads
34
6 in all V1, V2, V3, V4, V5, V6
Chest leads
35
1st downward wave of the complex
Q wave
36
1st upward wave of the complex
r wave
37
Downward wave preceded by an upward wave
S wave
38
Qtc duration men
<0.45 s
39
QTc duration women
<0.46 s
40
Normal QT interval
0.42 secs
41
Normally QRS duration
0.08 - 0.10 s
42
Narrow complexes
QRS <100 ms
43
Broad complexes
QRS >100 ms
44
Narrow complexes are __________ in origin.
Supraventicular
45
Broad complexes may be either ventricular origin or due to ____________ of supraventicular.
Aberrant conduction
46
Normal PR interval
0.12 to 0.20 s (3-5 small squares)
47
Interventricular septum
V1, V2
48
Lateral wall
I, aVL, aVR
49
Anterolateral wall
V5, V6
50
Anterior wall
V3, V4
51
Inferior wall
II, III, aVF
52
SA node intrinsic firing rate
70-80
53
AV node intrinsic firing rate
40-60
54
Purkinje fibers
15-20
55
P wave must be positive in _______
Lead II (II, III, aVF)
56
P wave duration
<0.125 s
57
P wave amplitude
< or = to 2.5 mm (all leads)
58
4th intercostal space at the right sternal border
V1
59
4th intercostal space at the left sternal border
V2
60
On the left on the 5th rib between C2 and C4
V3
61
5th intercostal space on the left midclavicular line
v4
62
on the left on the anterior axillary line, on the level of C4
V5
63
On the left on the midaxilary on the level of C4
V6

Electrocardiogram (ECG) (3 decks)

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