Pediatric ECGs: Difference between revisions
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==Conduction== | |||
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> | |||
==References== | ==References== | ||
<biblio> | <biblio> | ||
#aha pmid=19228822 | #aha pmid=19228822 | ||
</biblio> | </biblio> | ||
Revision as of 20:04, 27 April 2009
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 yearsaha LBBB: if consistent morphology and QRS width >90ms in children < 4 years and >100ms in children 4-16 yearsaha
References
<biblio>
- aha pmid=19228822
</biblio>