Across
- 3. A balloon-tipped catheter dilates a cardiac valve.
- 5. Small vein
- 6. an inflammation that causes a blood clot to form in a vein,
- 8. Relaxation phase of the heartbeat.
- 10. Innermost lining of blood vessels.
- 11. Small artery
- 13. Muscular middle layer of the heart.
- 14. Contraction phase of the heartbeat.
- 15. Double-layered membrane surrounding the heart.
Down
- 1. Largest artery in the body.
- 2. Describe an abnormal heart rhythm.
- 3. One of two lower chambers of the heart.
- 4. Beat of the heart as felt through the walls of the arteries
- 7. One of two upper chambers of the heart.
- 9. a procedure used to break up abnormal blood clots that restrict blood flow in veins and arteries.
- 12. Smallest type of blood vessel.
