ECG Interpretation Review #72 (Sinus Tachycardia in a Child - Juvenile T Wave Variant - Baseline Wander - Artifact)

The ECG below was obtained from a 6-year old child with carbon monoxide poisoning. It shows Sinus Tachycardia at ~ 135/minute. Sometimes even the simplest tracings make for excellent teaching/learning opportunities.

• HOW MANY interesting aspects of this tracing can you pick up on? I describe 8 such findings in detail. 
• CLICK HERE for the My Discussion on the ECG Guru web site.

Figure-1: 12-lead ECG and lead II rhythm strip obtained from a 6-year old child with carbon monoxide poisoning. (This tracing is from the ECG Guru site). NOTE — Enlarge by clicking on Figures — Right-Click to open in a separate window (See text).