Chapter 2 Terms

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Across
  1. 2. the 6 standard chest leads in EKG
  2. 4. specialized conductive fibers located within the walls of the ventricles
  3. 6. flow of blood from the heart to the lungs and back to the heart
  4. 8. Lower chambers of the heart
  5. 10. Causes contraction in the heart
  6. 11. Distance between certain parts of the heartbeat on the EKG, most common ones are PR, R-R, QRS, and QT
  7. 12. an angle or view of the heart that is recorded in an electrocardiogram
  8. 14. Bottom left point of the heart
  9. 16. vein that brings blood to the heart from the upper body
  10. 19. period of time when the heart muscle is contracting
  11. 21. outer layer of the heart
  12. 22. valve positioned between the right ventricle and the pulmonary artery
  13. 23. Shown by a square-shaped arch that is 10 mm high, to show you that the EKG machine is calibrated correctly
  14. 24. part of the cardiac conduction system that extends from the AV node to the bundle branches, another word for the AV junction
  15. 25. valve between the right atrium and the right ventricle
  16. 26. Largest artery in the body
  17. 28. heart valve between the left ventricle and the aorta
  18. 29. Flat lines between complexes, such as the PR and ST
  19. 30. Upper chambers of the heart
  20. 31. The top of the heart
  21. 33. inner lining of the heart
  22. 34. Natural Pacemaker of the heart. First point of electrical stimulation in the heart
Down
  1. 1. period of time when the heart muscle is relaxed and the chambers fill with blood
  2. 3. aVF, aVR, aVL, unipolar leads on right and left arm and left foot
  3. 5. relays electrical impulses from atria into ventricles
  4. 7. recharging of a heart cell back to a resting state
  5. 9. a double layer of membranes surrounding the heart
  6. 11. the vein that returns blood from body areas below the diaphragm
  7. 13. a device for conducting electricity, put onto the patients skin and then attached to lead wires
  8. 14. interference in the EKG machine from electronics, patient movement, or loose electrodes
  9. 15. Divides the right and left chambers of the heart
  10. 16. Leads I, II and III
  11. 17. carry deoxygenated blood out of the right ventricle and into the lungs
  12. 18. valve between the left atrium and the left ventricle; bicuspid valve
  13. 20. Located in the interventricular septum, receives impulses from the AV Junction
  14. 27. carry the oxygenated blood from the lungs into the left atrium of the heart
  15. 32. Part of the AV junction that sends electricity from the atria to the ventricles