Across
- 2. Slow drift from breathing or movement
- 6. High-frequency jitter from trembling muscles
- 7. Removes baseline wander cutoff 0.5 Hz
- 10. 50/60 Hz sine waves from outlets
Down
- 1. Ventricular recovery wave
- 3. Blocks power-line noise at 50/60 Hz
- 4. Ventricular contraction complex
- 5. Records heart electrical activity as waves
- 8. Atrial contraction in ECG
- 9. 10 × log10 (signal power / noise power)