Pediatric ECGs: Difference between revisions
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RBBB: if consistent morphology and if QRS width >90ms in children < 4 years and >100ms in children 4-16 years<cite>aha</cite> | RBBB: if consistent morphology and if QRS width >90ms in children < 4 years and >100ms in children 4-16 years<cite>aha</cite> | ||
LBBB: if consistent morphology and QRS width >90ms in children < 4 years and >100ms in children 4-16 years<cite>aha</cite> | LBBB: if consistent morphology and QRS width >90ms in children < 4 years and >100ms in children 4-16 years<cite>aha</cite> | ||
==Normal neonatal ECG standards== | |||
{| class="wikitable" font-size="80%" width="100%" style="border:1px solid #E2ACB1;border-spacing:8px;" border="1" | |||
|+Normal neonatal ECG standards | |||
!Age group | |||
!Heart rate (beats . min<sup>-1</sup>) | |||
!Frontal plane QRS axis<sup>a</sup> (degrees) | |||
!P wave amplitude (mm) | |||
!P-R interval<sup>a</sup> (s) | |||
!QRS duration<sup>a</sup> V<sub>5</sub> | |||
!Q III<sup>c</sup> (mm) | |||
!QV<sub>6</sub><sup>c</sup> (mm) | |||
! | |||
|} | |||
==References== | ==References== | ||
<biblio> | <biblio> | ||
Revision as of 13:11, 25 June 2010
A excellent description of the neonatal electrocardiogram has been made by Schwarz et al.[1][2]
Heart Axis
| Age | QRS Axis Normal Values | Abnormal Values | Description | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult | -30° to 90° |
|
| ||||||||||
| 8 to 16 years | 0° to 120° | >120° | Right-axis deviation | ||||||||||
| 5 to 8 years | 0° to 140° | >140°
<0° |
Right-axis deviation
Left-axis deviation | ||||||||||
| 1 year to 5 years | 5° to 100° | >100° | Right-axis deviation | ||||||||||
| 1 mo to 1 y | 10° to 120° | >120°
<10° to -90° |
Right-axis deviation
Left-axis deviation | ||||||||||
| Neonate | 30° to 90° | >190° to -90°
<30° to <-90° |
Extreme right axis deviation
Left axis deviation |
Conduction
RBBB: if consistent morphology and if QRS width >90ms in children < 4 years and >100ms in children 4-16 years[3] LBBB: if consistent morphology and QRS width >90ms in children < 4 years and >100ms in children 4-16 years[3]
Normal neonatal ECG standards
| Age group | Heart rate (beats . min-1) | Frontal plane QRS axisa (degrees) | P wave amplitude (mm) | P-R intervala (s) | QRS durationa V5 | Q IIIc (mm) | QV6c (mm) |
|---|
References
Error fetching PMID 19228822:
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Error fetching PMID 12269267:
Error fetching PMID 12739597:
- Error fetching PMID 12269267:
- Error fetching PMID 12739597:
- Error fetching PMID 19228822: