ekg

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