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Table 4 QRS complex morphology of PVCs

From: Where is the exact origin of narrow premature ventricular contractions manifesting qR in inferior wall leads?

Pt

Origin

QRS axis

QRS complex morphology

Transition zone

QRS duration (ms)

V1

V2

V3

V4

V5

V6

I

aVR

aVL

II

III

aVF

1

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

97

2

L-R ILT

right

R

Rs

Rs

Rs

Rs

Rs

rs

Qr

rS

qR

qR

qR

<V1

98

3

L-R ILT

right

Rs

RS

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

100

4

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

106

5

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

97

6

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

102

7

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rs

Qr

rS

qR

qR

qR

<V1

103

8

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

96

9

L-R ILT

right

R

Rs

Rs

Rs

Rs

R

rS

Qr

rS

qR

qR

qR

<V1

101

10

L-R ILT

right

qRs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

R

qR

qR

<V1

100

11

L-R ILT

right

R

Rs

Rs

Rs

Rs

R

rs

qr

rS

qR

qR

qR

<V1

98

12

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

101

13

L-R ILT

right

Rs

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qRs

qR

qR

<V1

105

14

LAF

right

R

RS

Rs

Rs

Rs

R

rs

qr

rS

qR

qR

qR

<V1

116

15

LAF

right

R

RS

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

112

16

LAF

right

R

RS

Rs

Rs

Rs

Rs

rs

Qr

rS

qR

qR

qR

<V1

118

17

LAF

right

R

Rs

Rs

Rs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

116

18

LAF

right

R

RS

RS

RS

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

130

19

LAF

right

R

RS

RS

RS

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

132

20

LAF

right

R

RS

RS

RS

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

120

21

LAF

right

R

RS

RS

RS

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

123

22

LAF

right

R

RS

RS

RS

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

122

23

LAF

right

rsR’

RS

Rs

Rs

Rs

Rs

rs

QS

rS

qR

qR

qR

<V1

110

24

LAF

right

qR

Rs

Rs

Rs

Rs

Rs

rS

QS

rS

qR

qR

qR

<V1

123

25

LAF

normal

qR

RS

Rs

Rs

Rs

Rs

Rs

QS

RS

qR

qR

qR

<V1

101.3

26

Failure

right

rs

RS

RS

RS

Rs

R

rs

QS

rS

qR

qR

qR

V3

80

27

Failure

right

rs

RS

RS

RS

Rs

Rs

rS

Qr

rS

Rs

qRs

qRs

V3 ~ V4

98

28

Failure

right

rs

RS

RS

RS

Rs

Rs

rs

Qr

rS

qR

qR

qR

V3

95

29

Failure

right

rS

RS

RS

RS

Rs

Rs

rs

Qr

rS

qR

qR

qR

V3

94

30

Failure

right

rs

RS

RS

Rs

Rs

Rs

rs

Qr

rS

R

qR

qR

V3

92

31

L-R ILT

right

R

Rs

Rs

Rs

Rs

Rs

rs

Qr

rS

qR

qR

qR

<V1

97

32

LAF

right

rsR’

RS

RS

Rs

Rs

Rs

rs

QS

rS

qR

qR

qR

<V1

112

33

LAF

right

R

Rs

Rs

Rs

Rs

Rs

rs

QS

rS

qR

qR

qR

<V1

108

34

LAF

right

R

RS

RS

RS

Rs

Rs

rS

QS

rS

qR

qR

qR

<V1

106

35

L-R ILT

right

R

Rs

Rs

Rs

Rs

Rs

rs

Qr

rS

qR

qR

qR

<V1

101

36

LAF

right

R

Rs

Rs

Rs

Rs

Rs

rs

QS

rS

qR

qR

qR

<V1

108

37

LAF

right

qR

qR

qRs

qRs

Rs

Rs

rS

Qr

rS

qR

qR

qR

<V1

120

38

LAF

right

rsr’

Rs

Rs

Rs

Rs

qRs

Rs

QS

rS

qR

qR

qR

<V1

103

39

LAF

right

R

RS

RS

RS

Rs

Rs

rS

QS

rS

qR

qR

qR

<V1

125

40

L-R ILT

right

R

Rs

Rs

Rs

Rs

Rs

rs

QS

rS

R

qR

qR

<V1

106

  1. Annotation: Capital letters (Q,R,S) refer to relatively high-amplitude (>5 mm). Conversely, lowercase letters (q,r,s) refer to relatively low-amplitude waves (<5 mm). L-R ILT Left coronary cusp-right coronary cusp interleaflet triangle, LAF left anterior fascicle
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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