Across
- 2. four
- 4. pounding, racing heartbeats
- 7. plug
- 8. outside of
- 11. again
- 12. sound
- 15. destruction
- 16. enlarged heart
- 17. involuntary muscle contraction
- 18. pertaining to
- 20. decrease in blood pressure
Down
- 1. heart condition
- 3. heart
- 5. vein
- 6. beyond
- 9. prevents blood clot formation
- 10. inflammation of a vessel
- 13. enlarged
- 14. fatty substance
- 19. partial