Pediatric ECGs
From ECGpedia
A excellent description of the neonatal electrocardiogram has been made by Schwarz et al.[1][2]
[edit] 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 |
[edit] 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]
[edit] References
- Schwartz PJ, Garson A Jr, Paul T, Stramba-Badiale M, Vetter VL, and Wren C. Guidelines for the interpretation of the neonatal electrocardiogram. A task force of the European Society of Cardiology. Eur Heart J 2002 Sep; 23(17) 1329-44. pmid:12269267.
- Schwartz PJ, Paul AG Jr, Stramba-Badiale M, Vetter VL, Villain E, and Wren C. Report from the Task Force of the European Society of Cardiology for the interpretation of the neonatal electrocardiogram. Cardiol Young 2002 Dec; 12(6) 592-608. pmid:12739597.
- Surawicz B, Childers R, Deal BJ, Gettes LS, Bailey JJ, Gorgels A, Hancock EW, Josephson M, Kligfield P, Kors JA, Macfarlane P, Mason JW, Mirvis DM, Okin P, Pahlm O, Rautaharju PM, van Herpen G, Wagner GS, and Wellens H. AHA/ACCF/HRS recommendations for the standardization and interpretation of the electrocardiogram: part III: intraventricular conduction disturbances: a scientific statement from the American Heart Association Electrocardiography and Arrhythmias Committee, Council on Clinical Cardiology; the American College of Cardiology Foundation; and the Heart Rhythm Society: endorsed by the International Society for Computerized Electrocardiology. Circulation 2009 Mar 17; 119(10) e235-40. doi:10.1161/CIRCULATIONAHA.108.191095 pmid:19228822.
