Pediatric ECGs

Revision as of 19:36, 27 April 2009 by Drj (talk | contribs)

Heart Axis

Age QRS Axis Normal Values Abnormal Values Description
Neonate 30 to 90 >190 to -90

<30 to <-90

Extreme right axis deviation

Left axis deviation

Adult
<-30°

-30° to -45° -45° to -90° 90° to 120° 90° to 120°

Left-axis deviation

Moderate left-axis deviation Marked left-axis deviation Moderate right-axis deviation Marked right-axis deviation

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 to 5 y 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