Across
- 3. interference on the EKG
- 4. outermost layer of heart
- 6. lower, pointy end of heart
- 10. relaxation phase of heart
- 13. rapid heart rate
- 14. decrease in length
- 17. opening of sodium and potassium channels, loss of polarity
- 18. between ribs
- 19. instrument used in measuring ekg distance
- 20. innermost layer of heart
Down
- 1. sensor placed on skin
- 2. a dividing wall of heart
- 5. body parts turning blue or discolored
- 7. sac that encases heart, filled with fluid
- 8. largest human artery
- 9. abnormal heart rhythm
- 11. middle muscular layer of heart
- 12. electrically neutral area on EKG
- 15. slow heart rate
- 16. excessive sweating