Pediatric ECGs: Difference between revisions
Jump to navigation
Jump to search
Secretariat (talk | contribs) |
Secretariat (talk | contribs) |
||
| Line 77: | Line 77: | ||
{| class="wikitable" font-size="80%" width="100%" style="border:1px solid #E2ACB1;border-spacing:8px;" border="1" | {| class="wikitable" font-size="80%" width="100%" style="border:1px solid #E2ACB1;border-spacing:8px;" border="1" | ||
|+Normal neonatal ECG standards | |+Normal neonatal ECG standards | ||
!Age group | ! style="width:70px" | Age group | ||
!Heart rate (beats . min<sup>-1</sup>) | ! style="width:90px" | Heart rate<br/>(beats . min<sup>-1</sup>) | ||
!Frontal plane QRS axis<sup>a</sup> (degrees) | ! style="width:105px" | Frontal plane<br/>QRS axis<sup>a</sup><br/>(degrees) | ||
!P wave amplitude (mm) | ! style="width:70px" | P wave<br/>amplitude<br/>(mm) | ||
!P-R interval<sup>a</sup> (s) | ! style="width:100px" | P-R<br/>interval<sup>a</sup><br/>(s) | ||
!QRS duration<sup>a</sup> V<sub>5</sub> | ! style="width:100px" | QRS<br/>duration<sup>a</sup><br/>V<sub>5</sub> | ||
!Q III<sup>c</sup> (mm) | ! style="width:40px" | Q III<sup>c</sup> (mm) | ||
!QV<sub>6</sub><sup>c</sup> (mm) | ! style="width:40px" | QV<sub>6</sub><sup>c</sup> (mm) | ||
!RV<sub>1</sub><sup>b</sup> (mm) | ! style="width:40px" | RV<sub>1</sub><sup>b</sup> (mm) | ||
!SV<sub>1</sub><sup>b</sup> (mm) | ! style="width:40px" | SV<sub>1</sub><sup>b</sup> (mm) | ||
!R/S V<sub>1</sub><sup>c</sup> | !R/S V<sub>1</sub><sup>c</sup> | ||
!RV<sub>6</sub><sup>b</sup> (mm) | ! style="width:40px" | RV<sub>6</sub><sup>b</sup> (mm) | ||
!SV<sub>6</sub><sup>b</sup> (mm) | ! style="width:40px" | SV<sub>6</sub><sup>b</sup> (mm) | ||
!R/S V<sub>6</sub><sup>c</sup> | !R/S V<sub>6</sub><sup>c</sup> | ||
!SV<sub>1</sub> + RV<sub>6</sub><sup>c</sup> (mm) | !SV<sub>1</sub> + RV<sub>6</sub><sup>c</sup> (mm) | ||
!R + SV<sub>4</sub><sup>c</sup> (mm) | !R + SV<sub>4</sub><sup>c</sup> (mm) | ||
|- | |||
|0–1 days | |||
| align="center" | 93–154 (123) | |||
| align="center" | +59 to +192 (135) | |||
| align="center" | 2·8 | |||
| align="center" | 0·08–0·16 (0·11) | |||
| align="center" | 0·02–0·08 (0·05) | |||
| align="center" | 5·2 | |||
| align="center" | 1·7 | |||
| align="center" | 5–26 | |||
| align="center" | 0–22·5 | |||
| align="center" | 9·8 | |||
| align="center" | 0–11 | |||
| align="center" | 0–9·8 | |||
| align="center" | 10 | |||
| align="center" | 28 | |||
| align="center" | 52 | |||
|- | |||
|1-3 days | |||
|- | |||
|3-7 days | |||
|- | |||
|7-30 days | |||
|- | |||
|1-3 months | |||
|} | |} | ||
Revision as of 13:37, 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) | RV1b (mm) | SV1b (mm) | R/S V1c | RV6b (mm) | SV6b (mm) | R/S V6c | SV1 + RV6c (mm) | R + SV4c (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0–1 days | 93–154 (123) | +59 to +192 (135) | 2·8 | 0·08–0·16 (0·11) | 0·02–0·08 (0·05) | 5·2 | 1·7 | 5–26 | 0–22·5 | 9·8 | 0–11 | 0–9·8 | 10 | 28 | 52 |
| 1-3 days | |||||||||||||||
| 3-7 days | |||||||||||||||
| 7-30 days | |||||||||||||||
| 1-3 months |
References
Error fetching PMID 19228822:
Error fetching PMID 12269267:
Error fetching PMID 12739597:
Error fetching PMID 12269267:
Error fetching PMID 12739597:
- Error fetching PMID 12269267:
- Error fetching PMID 12739597:
- Error fetching PMID 19228822: