Cardiol Res

Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access

Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc

Journal website http://www.cardiologyres.org

Original Article

Volume 10, Number 5, October 2019, pages 285-292

Characteristics and Prevalence of Premature Ventricular Complex: A Telemedicine Study

**Table 1.** Characteristics of the Population With a Description of PVC
Variable	N	%
Sex
Male	47	48.0
Female	51	52.0
Age category
17-25 years	5	5.1
26-45 years	32	32.7
46-65 years	50	51.0
>65 years	11	11.2
ECG examination
Basic rhythm
Sinus rhythm	88	82.4
Sinus bradycardia	3	3.1
Sinus tachycardia	4	4.1
Atrial fibrillation	3	3.1
Suggestive ECG ischemia/infarct pathological Q
None	93	94.9
Anteroseptal OMI	1	1.0
Inferior OMI	4	4.1
ST segment
Isoelectric	93	94.9
ST depression	1	1.0
Early repolarization	4	4.1
Morphology of T waves
Normal	97	99.0
Inversion	1	1.0
Ventricular hypertrophy
Left ventricular hypertrophy
None	91	92.9
Yes	7	7.1
Right ventricular hypertrophy
None	96	97.9
Yes	2	2.1
QTc interval
Normal	77	78.6
Long	17	17.3
Short	4	4.1
Repetitive PVC
No	67	68.4
Bigeminy	11	11.2
Trigeminy	14	14.3
Quadrigeminy	5	5.1
Coupon	1	1.0
Lown’s classification
Grade 1 or 2	89	90.8
Grade 3	4	4.1
Grade 4	3	3.1
Grade 5	2	2.0
Axis PVC
Superior	86	87.8
Inferior	12	12.2
QRS PVC duration
< 140 ms	45	45.9
140 - 159 ms	31	31.6
≥ 160 ms	22	22.4
Coupling interval
< 300 ms	2	2.0
300 - 500 ms	86	87.8
≥ 600 ms	10	10.2
Morphology of PVC in lead V1
RBBB	19	22.4
LBBB	75	77.6

Table 1. Characteristics of the Population With a Description of PVC

Variable

Sex

Male

48.0

Female

52.0

Age category

17-25 years

5.1

26-45 years

32.7

46-65 years

51.0

>65 years

11.2

ECG examination

Basic rhythm

Sinus rhythm

82.4

Sinus bradycardia

3.1

Sinus tachycardia

4.1

Atrial fibrillation

3.1

Suggestive ECG ischemia/infarct pathological Q

None

94.9

Anteroseptal OMI

1.0

Inferior OMI

4.1

ST segment

Isoelectric

94.9

ST depression

1.0

Early repolarization

4.1

Morphology of T waves

Normal

99.0

Inversion

1.0

Ventricular hypertrophy

Left ventricular hypertrophy

None

92.9

Yes

7.1

Right ventricular hypertrophy

None

97.9

Yes

2.1

QTc interval

Normal

78.6

Long

17.3

Short

4.1

Repetitive PVC

68.4

Bigeminy

11.2

Trigeminy

14.3

Quadrigeminy

5.1

Coupon

1.0

Lown’s classification

Grade 1 or 2

90.8

Grade 3

4.1

Grade 4

3.1

Grade 5

2.0

Axis PVC

Superior

87.8

Inferior

12.2

QRS PVC duration

< 140 ms

45.9

140 - 159 ms

31.6

≥ 160 ms

22.4

Coupling interval

< 300 ms

2.0

300 - 500 ms

87.8

≥ 600 ms

10.2

Morphology of PVC in lead V1

RBBB

22.4

LBBB

77.6

**Table 2.** Distribution of PVC Prevalence Based on QRS PVC Duration
Variable	QRS PVC duration	P value
Sex
Male	18.4	13.3	16.3	0.030
Female	27.6	18.4	6.12
Age category (year)
17-25 years	1.0	2.0	2.0	0.012
26-45 years	13.3	15.3	4.1
46-65 years	21.0	14.0	15.0
>65 years	10.2	0.0	1.0

Table 2. Distribution of PVC Prevalence Based on QRS PVC Duration

Variable

QRS PVC duration

P value

< 140 ms

140 - 159 ms

≥ 160 ms

Sex

Male

18.4

13.3

16.3

0.030

Female

27.6

18.4

6.12

Age category (year)

17-25 years

1.0

2.0

0.012

26-45 years

13.3

15.3

4.1

46-65 years

21.0

14.0

15.0

>65 years

10.2

0.0

1.0

**Table 3.** PVC Prevalence Distribution Based on PVC Interval Coupling
Variable	Coupling interval PVC	P value
Sex
Male	1.02	42.9	4.0	0.868
Female	1.02	44.9	6.1
Age category (year)
17-25 years	0.0	4.0	1.0	0.864
26-45 years	1.0	27.6	4.1
46-65 years	1.0	44.9	5.0
>65 years	0.0	11.0	0.0

Table 3. PVC Prevalence Distribution Based on PVC Interval Coupling

Variable

Coupling interval PVC

P value

< 300 ms

300 - 599 ms

≥ 600 ms

Sex

Male

1.02

42.9

4.0

0.868

Female

1.02

44.9

6.1

Age category (year)

17-25 years

0.0

4.0

1.0

0.864

26-45 years

1.0

27.6

4.1

46-65 years

1.0

44.9

5.0

>65 years

0.0

11.0

0.0

**Table 4.** PVC Prevalence Distribution Based on Morphology PVC in Lead 1
Variable	Morphology of PVC in lead 1	P value
Sex
Male	25.5	34.5	0.646
Female	19.6	80.4
Age category (year)
17-25 years	0.0	100	0.020
26-45 years	12.5	87.5
46-65 years	24.0	76.0
>65 years	54.5	45.5

Table 4. PVC Prevalence Distribution Based on Morphology PVC in Lead 1

Variable

Morphology of PVC in lead 1

P value

RBBB

LBBB

Sex

Male

25.5

34.5

0.646

Female

19.6

80.4

Age category (year)

17-25 years

0.0

100

0.020

26-45 years

12.5

87.5

46-65 years

24.0

76.0

>65 years

54.5

45.5