VALORES NORMAIS DO ECG NA CRIANÇA....

Table 2: Normal values in pediatrics:
Age
HR (bpm)
QRS axis (degrees)
PR interval (sec)
QRS interval (sec)
R in V1 (mm)
S in V1 (mm)
R in V6 (mm)
S in V6 (mm)
wk
1st wk
90-160
60-180
0.08-0.15
0.03-0.08
5-26
0-23
0-12
0-10
1-3 wk
100-180
45-160
0.08-0.15
0.03-0.08
3-21
0-16
2-16
0-10
1-2 mo
120-180
30-135
0.08-0.15
0.03-0.08
3-18
0-15
5-21
0-10
3-5 mo
105-185
0-135
0.08-0.15
0.03-0.08
3-20
0-15
6-22
0-10
6-11 mo
110-170
0-135
0.07-0.16
0.03-0.08
2-20
0.5-20
6-23
0-7
1-2 yr
90-165
0-110
0.08-0.16
0.03-0.08
2-18
0.5-21
6-23
0-7
3-4 yr
70-140
0-110
0.09-0.17
0.04-0.08
1-18
0.5-21
4-24
0-5
5-7 yr
65-140
0-110
0.09-0.17
0.04-0.08
0.5-14
0.5-24
4-26
0-4
8-11 yr
60-130
-15-110
0.09-0.17
0.04-0.09
0-14
0.5-25
4-25
0-4
12-15 yr
65-130
-15-110
0.09-0.18
0.04-0.09
0-14
0.5-21
4-25
0-4
>16 yr
50-120
-15-110
0.12-0.20
0.05-0.10
0-14
0.5-23
4-21
0-4
Ref- Ra'id Abdullah, MD, University of Chicago , Illinois .