Across
- 2. heart rate below 60 bpm
- 5. vessels that carry blood away from the heart
- 6. muscle layer of the heart
- 8. abnormal sound made by heart valves that don't close properly
- 9. blood vessels that carry blood toward the heart
- 12. a life threatening condition in which the heart ventricles quiver at a rate greater than 350 bpm
- 14. Membrane that surrounds the heart
- 15. abnormal heart rhythm
- 18. structure that takes blood away from the right ventricle to the lungs
- 19. "pacemaker" of the heart
- 20. decreased blood flow to the heart causing chest pain
Down
- 1. the period of relaxation in the heart when the chambers are filling with blood
- 3. wire mesh device implanted in a coronary artery to improve blood flow
- 4. cancer of the white blood cells
- 7. another term for fatty, plaque buildup inside the arteries
- 10. outer layer of the hear
- 11. the period of contraction when chambers are pumping blood out of the heart
- 13. volume of blood that leave the heart each minute
- 16. abnormally fast heart rate, heart rate above 100 bpm
- 17. inner layer of the heart