Heart to Heart: A Cardiovascular Crossword

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Across
  1. 3. The wave on an ECG that corresponds to ventricular depolarization.
  2. 5. The formula for cardiac output is heart rate (HR) multiplied by stroke volume (SV).
  3. 9. A calcium pump in the sarcoplasmic reticulum that helps the heart relax.
  4. 11. The valve separating the right atrium and right ventricle.
  5. 13. The middle, muscular layer of the heart wall.
  6. 14. The outermost layer of the heart wall.
  7. 16. The valve separating the left atrium and left ventricle.
  8. 17. The phase of the heartbeat when the heart muscle contracts.
  9. 18. The artery carrying deoxygenated blood from the heart to the lungs
  10. 19. The formula: EDV – ESV = ____.
  11. 22. The normal rhythm generated by the heart's natural pacemaker.
  12. 24. This valve prevents backflow into the left ventricle
  13. 25. The lower left chamber of the heart, responsible for pumping oxygenated blood to the body.
  14. 27. The phase of the heartbeat when the heart muscle relaxes
  15. 28. A condition of persistently high blood pressure
Down
  1. 1. The period in the cardiac cycle when ventricles contract but no blood is ejected.
  2. 2. Electrical system component that acts as the heart's pacemaker
  3. 4. The main pump of the circulatory system
  4. 6. Thin structures in veins and the heart that prevent backflow of blood.
  5. 7. A condition where the ductus arteriosus fails to close after birth
  6. 8. The chamber that receives oxygenated blood from the lungs
  7. 10. The innermost layer of the heart wall.
  8. 12. A diagnostic imaging test used to visualize the heart.
  9. 15. The formula: __ = (MAP – CVP) ÷ CO.
  10. 20. The vessel that delivers deoxygenated blood from the body to the right atrium.
  11. 21. A diagram showing the relationship between cardiac cycle phases, pressures, and volume.
  12. 23. The heart's ability to relax during diastole.
  13. 26. A common lead used in ECGs to measure the electrical activity of the heart.