ECG

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Across
  1. 3. ECG: ventricular depolarization
  2. 5. movement away from the baseline in either positive or negative direction
  3. 6. the voltage is recored in the LL(+electrode) and compared with LA(-electrode)
  4. 7. ______ segment corresponds to the time it takes for the electrical impulse to conduct from SA node through the atria, AV node, and bundle of His
  5. 10. the voltage is recorded in the LA(+electrode) and compared with RA(-electrode)
  6. 11. ___ interval = duration of ventricular systole and ventricular refractory period (ventricular AP)
  7. 14. a current of repolarization traveling away from the +electrode is recorded as ________ deflection
  8. 15. the sum of all the currents originated from the electrical activity of the heart; denoted by an arrow
  9. 16. a current of depolarization traveling toward the +electrode is recorded as ________ deflection
  10. 18. _________ axis represents the amount of tissue depolarizing
  11. 22. _____ axis represent the time to depolarize/repolarize
  12. 24. increase in heart rate
  13. 25. decrease in heart rate
  14. 27. a line between waveforms
  15. 28. graphical record of electric potentials generated by the heart muscle during each cardiac cycle
  16. 29. number of heartbeats per minute
  17. 31. a waveform and a segment
  18. 32. ECG: atrial depolarization
Down
  1. 1. several waveforms
  2. 2. the voltage is recored in the LL(+electrode) and compared with RA(-electrode); main lead
  3. 4. _________ stimulation decreases PR interval
  4. 8. the cardiac vector is ______ to the border between the depolarized and depolarized areas
  5. 9. normal cardiac rhythm when depolarization begins at the SA node
  6. 12. ECG: ventricular depolarization
  7. 13. _____ segment = plateau of ventricular AP, end of depol and beginning of repol; isoelectric
  8. 17. the _____ electrode in neutral (not recording)
  9. 19. a current of depolarization traveling away from the +electrode is recorded as ________ deflection
  10. 20. _________ stimulation increases PR interval
  11. 21. can generate local current flow and small electrical field
  12. 23. ________ interval: time between ventricular depolarization; cycle length
  13. 26. abnormal heart rhythm
  14. 30. ______ interval: time between atrial polarization